./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/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_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/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_76d43376-dbf4-4830-bf85-bb01d28671fb/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 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:38:44,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:38:44,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:38:44,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:38:44,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:38:44,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:38:44,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:38:44,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:38:44,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:38:44,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:38:44,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:38:44,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:38:44,227 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:38:44,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:38:44,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:38:44,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:38:44,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:38:44,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:38:44,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:38:44,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:38:44,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:38:44,232 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:38:44,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:38:44,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:38:44,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:38:44,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:38:44,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:38:44,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:38:44,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:44,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:38:44,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:38:44,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:38:44,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:38:44,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:38:44,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:38:44,238 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_76d43376-dbf4-4830-bf85-bb01d28671fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 [2023-11-21 18:38:44,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:38:44,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:38:44,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:38:44,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:38:44,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:38:44,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-11-21 18:38:47,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:47,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:47,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-11-21 18:38:47,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/data/6eaf8557b/51fc8ea43c994463ba6b8b96d2b1673b/FLAG51582d594 [2023-11-21 18:38:47,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/data/6eaf8557b/51fc8ea43c994463ba6b8b96d2b1673b [2023-11-21 18:38:47,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:47,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:47,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:47,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:47,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:47,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:47" (1/1) ... [2023-11-21 18:38:47,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ce4fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:47, skipping insertion in model container [2023-11-21 18:38:47,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:47" (1/1) ... [2023-11-21 18:38:47,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:48,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:48,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:48,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:48,131 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:48,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48 WrapperNode [2023-11-21 18:38:48,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:48,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:48,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:48,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:48,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,192 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-21 18:38:48,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:48,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:48,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:48,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:48,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:48,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:48,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:48,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:48,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:48,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:48,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:48,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d43376-dbf4-4830-bf85-bb01d28671fb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:38:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:38:48,428 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:48,430 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:48,898 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:48,937 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:48,938 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:38:48,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:48 BoogieIcfgContainer [2023-11-21 18:38:48,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:48,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:48,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:48,961 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:48,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:48" (1/1) ... [2023-11-21 18:38:48,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-21 18:38:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-21 18:38:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:38:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,249 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 18:38:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2023-11-21 18:38:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-11-21 18:38:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:38:49,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,342 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 18:38:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2023-11-21 18:38:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2023-11-21 18:38:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:38:49,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,479 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 18:38:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 143 states and 150 transitions. [2023-11-21 18:38:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2023-11-21 18:38:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:38:49,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:49,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:49,776 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 18:38:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2023-11-21 18:38:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2023-11-21 18:38:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:38:49,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,989 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 18:38:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 145 states and 152 transitions. [2023-11-21 18:38:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2023-11-21 18:38:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:38:50,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,020 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 18:38:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2023-11-21 18:38:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2023-11-21 18:38:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:50,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,095 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 18:38:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 152 states and 162 transitions. [2023-11-21 18:38:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2023-11-21 18:38:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:38:50,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,552 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 18:38:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-11-21 18:38:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-11-21 18:38:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:38:50,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,635 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 18:38:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2023-11-21 18:38:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2023-11-21 18:38:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:38:50,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,707 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 18:38:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-11-21 18:38:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-11-21 18:38:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:38:50,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,801 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 18:38:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2023-11-21 18:38:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2023-11-21 18:38:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:38:50,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:50,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:50,979 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 18:38:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 162 states and 174 transitions. [2023-11-21 18:38:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 174 transitions. [2023-11-21 18:38:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:38:51,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:38:51,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:51,338 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 18:38:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 170 states and 183 transitions. [2023-11-21 18:38:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2023-11-21 18:38:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:38:51,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:51,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:51,691 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 18:38:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 171 states and 185 transitions. [2023-11-21 18:38:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 185 transitions. [2023-11-21 18:38:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:38:51,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:51,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:51,813 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 18:38:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 173 states and 188 transitions. [2023-11-21 18:38:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 188 transitions. [2023-11-21 18:38:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:38:51,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:51,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:51,898 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 18:38:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 172 states and 187 transitions. [2023-11-21 18:38:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 187 transitions. [2023-11-21 18:38:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:38:51,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:51,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:51,954 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 18:38:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 175 states and 190 transitions. [2023-11-21 18:38:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2023-11-21 18:38:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:38:51,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,038 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 18:38:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 176 states and 191 transitions. [2023-11-21 18:38:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 191 transitions. [2023-11-21 18:38:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:38:52,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,106 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 18:38:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 177 states and 192 transitions. [2023-11-21 18:38:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 192 transitions. [2023-11-21 18:38:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:38:52,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,334 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 18:38:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 185 states and 200 transitions. [2023-11-21 18:38:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 200 transitions. [2023-11-21 18:38:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:38:52,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,600 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 18:38:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 193 states and 209 transitions. [2023-11-21 18:38:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 209 transitions. [2023-11-21 18:38:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:38:52,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,802 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 18:38:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 192 states and 208 transitions. [2023-11-21 18:38:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 208 transitions. [2023-11-21 18:38:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:38:52,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:52,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 194 states and 210 transitions. [2023-11-21 18:38:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 210 transitions. [2023-11-21 18:38:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:38:52,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:38:53,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 198 states and 215 transitions. [2023-11-21 18:38:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 215 transitions. [2023-11-21 18:38:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:38:53,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:53,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:38:53,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:53,381 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 18:38:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 202 states and 220 transitions. [2023-11-21 18:38:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 220 transitions. [2023-11-21 18:38:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:38:53,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:53,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:53,525 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 18:38:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 205 states and 228 transitions. [2023-11-21 18:38:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 228 transitions. [2023-11-21 18:38:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:38:53,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:53,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:53,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:53,658 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 18:38:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 234 states and 264 transitions. [2023-11-21 18:38:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions. [2023-11-21 18:38:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:38:54,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:54,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:54,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:54,554 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 18:38:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 235 states and 265 transitions. [2023-11-21 18:38:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2023-11-21 18:38:54,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:38:54,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:54,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:54,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:54,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:54,683 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 18:38:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 265 states and 302 transitions. [2023-11-21 18:38:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 302 transitions. [2023-11-21 18:38:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:55,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:55,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:55,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:55,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:55,738 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 18:38:55,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 264 states and 301 transitions. [2023-11-21 18:38:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 301 transitions. [2023-11-21 18:38:55,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:55,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:55,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:55,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:55,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:55,840 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 18:38:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 267 states and 307 transitions. [2023-11-21 18:38:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 307 transitions. [2023-11-21 18:38:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:38:56,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:56,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:56,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:56,281 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 18:38:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 269 states and 309 transitions. [2023-11-21 18:38:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 309 transitions. [2023-11-21 18:38:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:38:56,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:56,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:56,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:56,983 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 18:38:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 273 states and 316 transitions. [2023-11-21 18:38:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 316 transitions. [2023-11-21 18:38:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:38:57,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:57,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:57,566 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 18:38:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 276 states and 319 transitions. [2023-11-21 18:38:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 319 transitions. [2023-11-21 18:38:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:38:57,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:57,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:57,701 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 18:38:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 275 states and 318 transitions. [2023-11-21 18:38:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 318 transitions. [2023-11-21 18:38:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:38:57,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:57,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:57,779 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 18:38:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 276 states and 319 transitions. [2023-11-21 18:38:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 319 transitions. [2023-11-21 18:38:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:38:57,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:57,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:57,905 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 18:38:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 282 states and 327 transitions. [2023-11-21 18:38:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 327 transitions. [2023-11-21 18:38:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:38:58,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:58,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:58,537 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 18:38:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 283 states and 329 transitions. [2023-11-21 18:38:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 329 transitions. [2023-11-21 18:38:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:38:58,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:58,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:58,685 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 18:38:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 285 states and 331 transitions. [2023-11-21 18:38:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 331 transitions. [2023-11-21 18:38:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:38:58,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:58,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:58,918 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 18:38:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 293 states and 343 transitions. [2023-11-21 18:38:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 343 transitions. [2023-11-21 18:38:59,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:38:59,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:59,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:59,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 305 states and 361 transitions. [2023-11-21 18:39:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 361 transitions. [2023-11-21 18:39:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:39:00,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:00,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:00,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:00,639 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 18:39:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 314 states and 374 transitions. [2023-11-21 18:39:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 374 transitions. [2023-11-21 18:39:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:39:01,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:01,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:01,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:01,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:01,402 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 18:39:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 326 states and 395 transitions. [2023-11-21 18:39:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 395 transitions. [2023-11-21 18:39:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:39:02,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:02,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:02,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:02,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:02,720 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 18:39:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 325 states and 394 transitions. [2023-11-21 18:39:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 394 transitions. [2023-11-21 18:39:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:39:02,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:02,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:02,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:02,831 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 18:39:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 330 states and 400 transitions. [2023-11-21 18:39:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions. [2023-11-21 18:39:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:39:03,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:03,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:03,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 369 states and 467 transitions. [2023-11-21 18:39:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 467 transitions. [2023-11-21 18:39:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:39:05,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:05,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:06,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:06,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:06,171 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 18:39:09,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:39:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 375 states and 476 transitions. [2023-11-21 18:39:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 476 transitions. [2023-11-21 18:39:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:39:10,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:10,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:10,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:10,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 389 states and 518 transitions. [2023-11-21 18:39:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 518 transitions. [2023-11-21 18:39:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:13,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:13,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:13,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:14,077 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 18:39:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 396 states and 530 transitions. [2023-11-21 18:39:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 530 transitions. [2023-11-21 18:39:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:39:15,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:15,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:15,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:15,864 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 18:39:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 395 states and 529 transitions. [2023-11-21 18:39:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 529 transitions. [2023-11-21 18:39:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:15,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:15,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:15,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:15,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 152 states and 203 transitions. [2023-11-21 18:39:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2023-11-21 18:39:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:19,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 153 states and 204 transitions. [2023-11-21 18:39:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 204 transitions. [2023-11-21 18:39:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:23,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:23,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:23,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:23,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 139 states and 186 transitions. [2023-11-21 18:39:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-21 18:39:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:39:24,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:24,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:24,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:24,524 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 18:39:27,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:39:30,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:39:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 148 states and 202 transitions. [2023-11-21 18:39:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2023-11-21 18:39:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:39:32,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:32,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 150 states and 205 transitions. [2023-11-21 18:39:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2023-11-21 18:39:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:39:37,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 144 states and 198 transitions. [2023-11-21 18:39:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2023-11-21 18:39:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:39:38,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:38,727 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 18:39:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 154 states and 215 transitions. [2023-11-21 18:39:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 215 transitions. [2023-11-21 18:39:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:39:40,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:40,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:40,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:40,380 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 18:39:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 153 states and 214 transitions. [2023-11-21 18:39:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 214 transitions. [2023-11-21 18:39:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:39:41,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:41,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:41,554 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 18:39:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 152 states and 213 transitions. [2023-11-21 18:39:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 213 transitions. [2023-11-21 18:39:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:39:42,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:39:42,608 INFO L285 TraceCheckSpWp]: Computing forward predicates...