./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:44,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:44,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:11:44,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:44,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:44,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:44,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:44,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:44,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:44,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:44,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:44,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:44,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:44,257 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:11:44,257 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:11:44,258 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:11:44,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:44,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:44,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:44,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:44,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:44,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:44,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:44,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:44,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:44,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:44,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:44,263 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:44,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:44,264 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_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 [2023-11-24 22:11:44,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:44,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:44,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:44,630 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:44,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:44,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety/test-0235-3.i [2023-11-24 22:11:47,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:48,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:48,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/sv-benchmarks/c/memsafety/test-0235-3.i [2023-11-24 22:11:48,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/data/68fcafa67/9427a855640c40768cfa5c92ebc12200/FLAG5cc137087 [2023-11-24 22:11:48,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/data/68fcafa67/9427a855640c40768cfa5c92ebc12200 [2023-11-24 22:11:48,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:48,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:48,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:48,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:48,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:48,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:48,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef9644b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48, skipping insertion in model container [2023-11-24 22:11:48,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:48,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:48,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:48,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:48,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:48,892 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:48,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48 WrapperNode [2023-11-24 22:11:48,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:48,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:48,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:48,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:48,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:48,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,000 INFO L138 Inliner]: procedures = 188, calls = 73, calls flagged for inlining = 26, calls inlined = 60, statements flattened = 977 [2023-11-24 22:11:49,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:49,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:49,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:49,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:49,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:49,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:49,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:49,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:49,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:49,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:49,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:49,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3fa216-9fbd-46cf-b1da-6ed19fcceaf8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:11:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:11:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:11:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:49,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:49,402 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:50,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:51,224 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:51,224 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-24 22:11:51,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:51 BoogieIcfgContainer [2023-11-24 22:11:51,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:51,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:51,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:51,237 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:51,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:51" (1/1) ... [2023-11-24 22:11:51,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 753 states and 908 transitions. [2023-11-24 22:11:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 908 transitions. [2023-11-24 22:11:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:11:51,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:51,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 753 states and 907 transitions. [2023-11-24 22:11:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 907 transitions. [2023-11-24 22:11:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:11:51,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:51,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:51,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:11:51,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:51,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:11:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 752 states and 906 transitions. [2023-11-24 22:11:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 906 transitions. [2023-11-24 22:11:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:11:51,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:51,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:11:51,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:51,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 751 states and 905 transitions. [2023-11-24 22:11:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 905 transitions. [2023-11-24 22:11:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:51,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:51,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:51,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:51,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 751 states and 904 transitions. [2023-11-24 22:11:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 904 transitions. [2023-11-24 22:11:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:51,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:52,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:11:52,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:52,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:11:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 750 states and 903 transitions. [2023-11-24 22:11:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 903 transitions. [2023-11-24 22:11:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:11:52,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:52,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:11:52,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:52,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:52,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:11:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 751 states and 904 transitions. [2023-11-24 22:11:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 904 transitions. [2023-11-24 22:11:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:11:52,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:52,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:53,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:11:53,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:53,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 750 states and 903 transitions. [2023-11-24 22:11:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 903 transitions. [2023-11-24 22:11:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:11:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:53,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:53,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:11:53,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:53,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:11:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 749 states and 901 transitions. [2023-11-24 22:11:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 901 transitions. [2023-11-24 22:11:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:11:53,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:53,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:11:53,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:53,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2023-11-24 22:11:53,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:11:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:54,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 750 states and 902 transitions. [2023-11-24 22:11:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 902 transitions. [2023-11-24 22:11:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:11:54,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:54,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:11:54,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:54,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:54,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:54,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 749 states and 901 transitions. [2023-11-24 22:11:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 901 transitions. [2023-11-24 22:11:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:11:54,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:54,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:11:54,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:54,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:11:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 748 states and 899 transitions. [2023-11-24 22:11:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 899 transitions. [2023-11-24 22:11:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:11:54,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:54,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:11:54,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:55,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:11:55,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:11:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 749 states and 900 transitions. [2023-11-24 22:11:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 900 transitions. [2023-11-24 22:11:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:55,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:55,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:55,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:11:55,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:55,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:05,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 750 states and 901 transitions. [2023-11-24 22:12:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 901 transitions. [2023-11-24 22:12:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:12:16,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:16,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:16,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:16,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:17,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:12:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:12:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 751 states and 902 transitions. [2023-11-24 22:12:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 902 transitions. [2023-11-24 22:12:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:12:18,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:18,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:18,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:12:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 752 states and 903 transitions. [2023-11-24 22:12:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 903 transitions. [2023-11-24 22:12:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:12:18,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:19,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:12:19,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:19,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:19,490 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:19,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-24 22:12:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:12:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 752 states and 904 transitions. [2023-11-24 22:12:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 904 transitions. [2023-11-24 22:12:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:12:20,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:20,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:21,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:12:21,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:21,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:12:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:12:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 751 states and 902 transitions. [2023-11-24 22:12:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 902 transitions. [2023-11-24 22:12:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:12:21,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:21,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:21,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:12:21,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:21,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2023-11-24 22:12:21,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:12:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:12:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 752 states and 903 transitions. [2023-11-24 22:12:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 903 transitions. [2023-11-24 22:12:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:12:21,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:21,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:22,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:12:22,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:22,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:32,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:12:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 753 states and 904 transitions. [2023-11-24 22:12:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 904 transitions. [2023-11-24 22:12:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:12:33,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:33,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:33,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:12:33,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:33,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:33,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:12:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 754 states and 905 transitions. [2023-11-24 22:12:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 905 transitions. [2023-11-24 22:12:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:12:33,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:33,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:34,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 22:12:34,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:34,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:34,546 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:34,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-24 22:12:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 754 states and 906 transitions. [2023-11-24 22:12:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 906 transitions. [2023-11-24 22:12:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:34,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:35,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:12:35,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:35,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 22:12:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 753 states and 905 transitions. [2023-11-24 22:12:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 905 transitions. [2023-11-24 22:12:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:12:35,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:35,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:12:35,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:36,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:36,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 22:12:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 755 states and 909 transitions. [2023-11-24 22:12:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 909 transitions. [2023-11-24 22:12:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:12:37,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:37,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:37,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:12:37,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:37,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:37,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 756 states and 910 transitions. [2023-11-24 22:12:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 910 transitions. [2023-11-24 22:12:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:12:38,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:38,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:12:38,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:38,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:38,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 757 states and 911 transitions. [2023-11-24 22:12:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 911 transitions. [2023-11-24 22:12:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:12:39,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:39,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:40,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:40,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:40,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:40,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 22:12:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 758 states and 912 transitions. [2023-11-24 22:12:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 912 transitions. [2023-11-24 22:12:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:12:40,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:41,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:12:41,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:41,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:41,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-24 22:12:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 760 states and 915 transitions. [2023-11-24 22:12:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 915 transitions. [2023-11-24 22:12:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:12:41,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:43,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:12:43,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:43,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:12:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-24 22:12:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 759 states and 914 transitions. [2023-11-24 22:12:44,165 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 914 transitions. [2023-11-24 22:12:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:44,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:44,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:12:44,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:44,796 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-24 22:12:44,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-24 22:12:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.