./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:15,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:16,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:16,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:16,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:16,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:16,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:16,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:16,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:16,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:16,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:16,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:16,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:16,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:16,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:16,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:16,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:16,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:16,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:16,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:16,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:16,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:16,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:16,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:16,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:16,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:16,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:16,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:16,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:16,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:16,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:16,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:16,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:16,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:16,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:16,107 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_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2023-11-21 18:47:16,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:16,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:16,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:16,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:16,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:16,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-21 18:47:19,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:19,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:19,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-21 18:47:19,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/data/9de77d24e/794ea457f31f4a07b62d6dfdabfc0051/FLAGeda5b1420 [2023-11-21 18:47:19,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/data/9de77d24e/794ea457f31f4a07b62d6dfdabfc0051 [2023-11-21 18:47:19,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:19,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:19,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:19,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:19,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:19,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:19" (1/1) ... [2023-11-21 18:47:19,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365e388a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:19, skipping insertion in model container [2023-11-21 18:47:19,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:19" (1/1) ... [2023-11-21 18:47:19,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:19,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:19,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:19,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:19,999 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:20,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20 WrapperNode [2023-11-21 18:47:20,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:20,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:20,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:20,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:20,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,042 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-21 18:47:20,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:20,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:20,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:20,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:20,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:20,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:20,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:20,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:20,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:20,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:20,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9fa1b5a-5569-444c-8f00-4c167533e2be/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:20,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:20,235 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:20,237 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:20,573 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:20,646 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:20,647 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:47:20,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:20 BoogieIcfgContainer [2023-11-21 18:47:20,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:20,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:20,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:20,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:20,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:20" (1/1) ... [2023-11-21 18:47:20,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-21 18:47:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:47:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:20,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:20,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-21 18:47:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-21 18:47:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:47:21,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-21 18:47:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-21 18:47:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:21,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-21 18:47:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-21 18:47:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:47:21,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-21 18:47:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-21 18:47:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:21,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-21 18:47:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-21 18:47:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:21,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-21 18:47:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-21 18:47:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:22,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-21 18:47:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-21 18:47:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:22,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-21 18:47:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-21 18:47:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:22,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-21 18:47:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-21 18:47:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:23,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:23,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:23,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:23,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-21 18:47:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-21 18:47:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:24,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:24,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:24,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-21 18:47:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-21 18:47:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:24,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:24,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:24,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-21 18:47:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-21 18:47:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:25,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:25,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-21 18:47:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-21 18:47:26,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:47:26,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:26,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:26,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:26,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-21 18:47:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-21 18:47:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:27,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-21 18:47:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-21 18:47:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:47:28,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:28,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-21 18:47:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-21 18:47:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:47:29,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:29,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:29,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-21 18:47:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-21 18:47:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:47:31,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-21 18:47:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-21 18:47:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:47:31,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-21 18:47:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-21 18:47:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:32,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-21 18:47:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-21 18:47:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:32,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-21 18:47:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-21 18:47:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:47:34,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:34,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:47:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-21 18:47:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-21 18:47:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:47:35,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:35,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-21 18:47:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-21 18:47:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:36,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:36,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-21 18:47:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-21 18:47:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:37,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-21 18:47:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-21 18:47:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:38,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:38,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-21 18:47:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-21 18:47:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:47:39,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:47:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-21 18:47:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-21 18:47:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:41,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:41,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:41,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:47:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-21 18:47:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-21 18:47:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:47:42,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:42,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:42,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:47:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-21 18:47:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-21 18:47:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:47:43,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:43,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-21 18:47:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-21 18:47:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:47:44,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-21 18:47:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-21 18:47:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:47:45,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:45,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:46,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-21 18:47:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-21 18:47:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:47:46,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-21 18:47:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-21 18:47:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:47:50,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:50,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:50,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-21 18:47:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-21 18:47:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:47:51,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:51,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:51,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-21 18:47:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-21 18:47:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:47:52,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:47:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-21 18:47:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-21 18:47:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:47:53,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:53,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:47:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-21 18:47:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-21 18:47:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:47:56,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:56,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:56,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:56,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:47:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-21 18:47:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-21 18:47:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:47:57,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:57,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:57,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:57,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:47:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 322 states and 564 transitions. [2023-11-21 18:47:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 564 transitions. [2023-11-21 18:47:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:47:59,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:59,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:59,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:48:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 326 states and 577 transitions. [2023-11-21 18:48:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 577 transitions. [2023-11-21 18:48:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:48:00,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:00,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:00,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:48:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 576 transitions. [2023-11-21 18:48:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 576 transitions. [2023-11-21 18:48:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:48:00,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:48:00,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:48:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 327 states and 583 transitions. [2023-11-21 18:48:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 583 transitions. [2023-11-21 18:48:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:48:03,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:03,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:03,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:48:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 333 states and 598 transitions. [2023-11-21 18:48:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 598 transitions. [2023-11-21 18:48:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:48:04,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:04,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:04,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:04,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:48:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 340 states and 611 transitions. [2023-11-21 18:48:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2023-11-21 18:48:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:48:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:06,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:48:06,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:48:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 352 states and 631 transitions. [2023-11-21 18:48:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 631 transitions. [2023-11-21 18:48:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:48:09,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:09,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:10,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:10,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.