./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.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_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/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_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/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_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:55:19,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:55:19,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:55:19,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:55:19,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:55:19,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:55:19,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:55:19,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:55:19,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:55:19,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:55:19,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:55:19,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:55:19,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:55:19,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:55:19,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:55:19,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:55:19,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:55:19,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:55:19,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:55:19,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:55:19,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:55:19,420 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:55:19,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:55:19,421 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:55:19,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:55:19,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:55:19,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:55:19,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:55:19,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:19,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:55:19,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:55:19,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:55:19,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:55:19,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:55:19,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:55:19,440 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_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2023-11-23 19:55:19,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:55:19,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:55:19,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:55:19,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:55:19,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:55:19,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-23 19:55:22,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:55:23,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:55:23,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-23 19:55:23,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/data/955fccbed/8501edb8335d4b5e8755be61afec3864/FLAG8beb2d39e [2023-11-23 19:55:23,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/data/955fccbed/8501edb8335d4b5e8755be61afec3864 [2023-11-23 19:55:23,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:55:23,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:55:23,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:23,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:55:23,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:55:23,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a600b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23, skipping insertion in model container [2023-11-23 19:55:23,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:55:23,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:23,498 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:55:23,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:23,536 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:55:23,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23 WrapperNode [2023-11-23 19:55:23,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:23,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:23,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:55:23,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:55:23,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,592 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 19:55:23,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:23,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:55:23,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:55:23,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:55:23,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:55:23,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:55:23,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:55:23,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:55:23,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:23" (1/1) ... [2023-11-23 19:55:23,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:23,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:55:23,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:55:23,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed57e1e-43c9-4d63-bbef-6fb56d2c265d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:55:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:55:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:55:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:55:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:55:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:55:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:55:23,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:55:23,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:55:24,292 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:55:24,327 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:55:24,339 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 19:55:24,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:55:24 BoogieIcfgContainer [2023-11-23 19:55:24,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:55:24,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:55:24,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:55:24,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:55:24,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:55:24" (1/1) ... [2023-11-23 19:55:24,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:55:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 19:55:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 19:55:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:55:24,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:24,735 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 19:55:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 19:55:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 19:55:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:55:24,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:24,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:24,924 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 19:55:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 19:55:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 19:55:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:55:24,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:24,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:25,066 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 19:55:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 19:55:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 19:55:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:55:25,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:25,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:25,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:25,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:25,261 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 19:55:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 19:55:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 19:55:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:55:25,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:25,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:25,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:25,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:25,597 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 19:55:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 19:55:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 19:55:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:55:25,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:25,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:25,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:25,731 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 19:55:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 19:55:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 19:55:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:55:26,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:26,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:55:26,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:26,328 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 19:55:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 19:55:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 19:55:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:55:26,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:26,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:26,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:26,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:26,986 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 19:55:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 19:55:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 19:55:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:55:27,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:28,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:28,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:28,249 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 19:55:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 19:55:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 19:55:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:55:29,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:29,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:29,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:29,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:29,363 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 19:55:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 19:55:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 19:55:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:55:29,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:29,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:29,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:29,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:30,035 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 19:55:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 19:55:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 19:55:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:55:30,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:30,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:30,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:30,886 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 19:55:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-23 19:55:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-23 19:55:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:55:30,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:30,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:31,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:31,107 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 19:55:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-23 19:55:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-23 19:55:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:55:32,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:33,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:33,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:33,049 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 19:55:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-23 19:55:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-23 19:55:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:55:33,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:33,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:33,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:55:33,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:55:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-23 19:55:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-23 19:55:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:55:34,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:34,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:34,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:34,583 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 19:55:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-23 19:55:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-23 19:55:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:55:37,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:37,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:37,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:37,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:55:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 173 states and 313 transitions. [2023-11-23 19:55:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2023-11-23 19:55:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:55:38,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:38,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:38,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:39,030 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 19:55:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 183 states and 336 transitions. [2023-11-23 19:55:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 336 transitions. [2023-11-23 19:55:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:55:41,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:41,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:41,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:41,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:55:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 184 states and 344 transitions. [2023-11-23 19:55:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 344 transitions. [2023-11-23 19:55:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:55:41,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:41,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:41,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:41,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:41,523 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 19:55:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 194 states and 369 transitions. [2023-11-23 19:55:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2023-11-23 19:55:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:55:43,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:43,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:43,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:55:43,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:43,814 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 19:55:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 205 states and 395 transitions. [2023-11-23 19:55:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 395 transitions. [2023-11-23 19:55:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:55:47,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:47,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:47,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:47,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:55:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 216 states and 423 transitions. [2023-11-23 19:55:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 423 transitions. [2023-11-23 19:55:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:55:49,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:49,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:49,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:55:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 220 states and 428 transitions. [2023-11-23 19:55:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 428 transitions. [2023-11-23 19:55:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:55:50,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:50,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:50,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:50,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:55:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 228 states and 454 transitions. [2023-11-23 19:55:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 454 transitions. [2023-11-23 19:55:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:55:52,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:52,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:52,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:52,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:55:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 232 states and 458 transitions. [2023-11-23 19:55:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 458 transitions. [2023-11-23 19:55:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:55:53,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:53,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:53,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:53,699 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 19:55:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 239 states and 478 transitions. [2023-11-23 19:55:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 478 transitions. [2023-11-23 19:55:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:55:54,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:55,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:55,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:55,910 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 19:55:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 252 states and 508 transitions. [2023-11-23 19:55:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 508 transitions. [2023-11-23 19:55:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:55:59,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:55:59,765 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 19:55:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:55:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 253 states and 509 transitions. [2023-11-23 19:55:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 509 transitions. [2023-11-23 19:55:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:55:59,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:55:59,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:55:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:55:59,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:55:59,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:00,005 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 19:56:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 261 states and 529 transitions. [2023-11-23 19:56:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 529 transitions. [2023-11-23 19:56:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:56:01,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:01,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:01,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:01,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 272 states and 554 transitions. [2023-11-23 19:56:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 554 transitions. [2023-11-23 19:56:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:56:03,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:03,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:03,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:03,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 276 states and 558 transitions. [2023-11-23 19:56:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 558 transitions. [2023-11-23 19:56:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:56:04,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:04,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:04,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:05,186 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 19:56:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 293 states and 593 transitions. [2023-11-23 19:56:09,627 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 593 transitions. [2023-11-23 19:56:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:56:09,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:09,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:09,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:09,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 297 states and 602 transitions. [2023-11-23 19:56:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 602 transitions. [2023-11-23 19:56:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:56:11,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:11,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:11,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:11,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.