./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/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_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/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_7a7867a5-5d89-4b06-ac86-8de73973c8c9/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 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:39,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:39,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:51:39,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:39,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:39,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:39,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:39,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:39,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:39,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:39,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:39,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:39,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:39,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:39,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:39,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:39,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:39,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:39,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:39,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:51:39,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:39,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:39,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:39,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:39,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:39,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:39,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:39,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:39,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:39,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:39,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:39,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:39,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:39,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:39,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:39,998 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_7a7867a5-5d89-4b06-ac86-8de73973c8c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2023-11-21 18:51:40,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:40,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:40,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:40,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:40,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:40,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-11-21 18:51:43,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:43,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:43,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-11-21 18:51:43,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/data/5db29a2ef/376e13870e57468388759c8e9c1ef1e4/FLAG5ab9e4377 [2023-11-21 18:51:43,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/data/5db29a2ef/376e13870e57468388759c8e9c1ef1e4 [2023-11-21 18:51:43,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:43,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:43,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:43,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:43,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:43,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2a7155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43, skipping insertion in model container [2023-11-21 18:51:43,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:43,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:43,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:43,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:43,990 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:43,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43 WrapperNode [2023-11-21 18:51:43,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:43,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:43,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:43,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:44,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,039 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:51:44,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:44,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:44,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:44,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:44,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:44,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:44,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:44,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:44,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:44,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:44,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:44,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7867a5-5d89-4b06-ac86-8de73973c8c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:51:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:51:44,263 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:44,266 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:44,503 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:44,564 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:44,564 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:51:44,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:44 BoogieIcfgContainer [2023-11-21 18:51:44,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:44,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:44,567 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:44,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:44,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:44" (1/1) ... [2023-11-21 18:51:44,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-21 18:51:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-21 18:51:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:44,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:44,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,964 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 18:51:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-21 18:51:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-21 18:51:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:51:45,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,116 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 18:51:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-21 18:51:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-21 18:51:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:45,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,256 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 18:51:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:51:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:51:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:51:45,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:45,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:51:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:51:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:51:45,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:45,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-21 18:51:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-21 18:51:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:45,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:45,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-21 18:51:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:51:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:46,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:46,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:46,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-21 18:51:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-21 18:51:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:51:47,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:47,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:51:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-21 18:51:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-21 18:51:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:47,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:47,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:47,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:51:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-21 18:51:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-21 18:51:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:47,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:47,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:51:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-21 18:51:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-21 18:51:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:47,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:48,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2023-11-21 18:51:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-11-21 18:51:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:48,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:48,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:48,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:48,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2023-11-21 18:51:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2023-11-21 18:51:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:49,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:49,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:49,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:49,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2023-11-21 18:51:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2023-11-21 18:51:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:49,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:49,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:49,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 88 states and 171 transitions. [2023-11-21 18:51:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2023-11-21 18:51:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:50,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:50,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:50,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 98 states and 198 transitions. [2023-11-21 18:51:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 198 transitions. [2023-11-21 18:51:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:50,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:51,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:51:51,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:51:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 105 states and 206 transitions. [2023-11-21 18:51:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 206 transitions. [2023-11-21 18:51:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:51:51,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:51,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:51,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:51,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 110 states and 215 transitions. [2023-11-21 18:51:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 215 transitions. [2023-11-21 18:51:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:52,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:52,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:52,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:52,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 110 states and 214 transitions. [2023-11-21 18:51:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2023-11-21 18:51:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:53,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:53,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:53,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 119 states and 237 transitions. [2023-11-21 18:51:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 237 transitions. [2023-11-21 18:51:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:54,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:54,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:54,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 122 states and 240 transitions. [2023-11-21 18:51:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 240 transitions. [2023-11-21 18:51:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:54,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:54,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:51:54,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 250 transitions. [2023-11-21 18:51:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 250 transitions. [2023-11-21 18:51:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:55,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:55,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:51:55,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 132 states and 268 transitions. [2023-11-21 18:51:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 268 transitions. [2023-11-21 18:51:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:56,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:56,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:51:56,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:51:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 139 states and 276 transitions. [2023-11-21 18:51:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 276 transitions. [2023-11-21 18:51:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:57,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:57,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:57,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:51:57,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:51:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 141 states and 269 transitions. [2023-11-21 18:51:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 269 transitions. [2023-11-21 18:51:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:51:58,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:58,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:51:58,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:51:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 292 transitions. [2023-11-21 18:51:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 292 transitions. [2023-11-21 18:51:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:51:59,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:59,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:51:59,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:52:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 295 transitions. [2023-11-21 18:52:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2023-11-21 18:52:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:52:00,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:00,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:00,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:52:00,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:52:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 307 transitions. [2023-11-21 18:52:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 307 transitions. [2023-11-21 18:52:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:52:01,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:01,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:01,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:52:01,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:52:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 164 states and 318 transitions. [2023-11-21 18:52:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 318 transitions. [2023-11-21 18:52:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:52:02,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:02,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:52:02,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:52:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 170 states and 332 transitions. [2023-11-21 18:52:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 332 transitions. [2023-11-21 18:52:03,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:52:03,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:03,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:03,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:52:03,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:52:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 170 states and 326 transitions. [2023-11-21 18:52:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 326 transitions. [2023-11-21 18:52:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:52:04,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:04,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:04,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:52:04,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:52:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 170 states and 323 transitions. [2023-11-21 18:52:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 323 transitions. [2023-11-21 18:52:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:52:04,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:04,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:04,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:52:04,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:52:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 179 states and 348 transitions. [2023-11-21 18:52:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 348 transitions. [2023-11-21 18:52:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:52:06,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:06,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:52:06,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:52:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 189 states and 380 transitions. [2023-11-21 18:52:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 380 transitions. [2023-11-21 18:52:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:52:07,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:07,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:52:07,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:52:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 196 states and 388 transitions. [2023-11-21 18:52:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 388 transitions. [2023-11-21 18:52:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:52:09,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:09,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:52:09,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:52:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 196 states and 381 transitions. [2023-11-21 18:52:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 381 transitions. [2023-11-21 18:52:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:52:10,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:10,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:52:10,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:52:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 200 states and 383 transitions. [2023-11-21 18:52:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 383 transitions. [2023-11-21 18:52:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:52:11,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:11,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:11,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:52:11,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:52:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 380 transitions. [2023-11-21 18:52:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 380 transitions. [2023-11-21 18:52:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:52:12,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:12,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:12,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:52:12,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:52:13,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 210 states and 414 transitions. [2023-11-21 18:52:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 414 transitions. [2023-11-21 18:52:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:52:13,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:13,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:52:13,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:52:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 217 states and 422 transitions. [2023-11-21 18:52:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 422 transitions. [2023-11-21 18:52:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:52:14,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:14,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:52:14,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:52:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 217 states and 414 transitions. [2023-11-21 18:52:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 414 transitions. [2023-11-21 18:52:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:52:16,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:16,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:52:16,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 21 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:52:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 220 states and 418 transitions. [2023-11-21 18:52:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 418 transitions. [2023-11-21 18:52:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:52:17,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:17,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:52:17,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 18 proven. 528 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:52:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 229 states and 440 transitions. [2023-11-21 18:52:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 440 transitions. [2023-11-21 18:52:18,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:52:18,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:18,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:52:18,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:52:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 230 states and 451 transitions. [2023-11-21 18:52:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 451 transitions. [2023-11-21 18:52:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:52:19,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:19,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:52:19,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:52:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 239 states and 472 transitions. [2023-11-21 18:52:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 472 transitions. [2023-11-21 18:52:21,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:52:21,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:21,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:52:21,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:52:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 246 states and 480 transitions. [2023-11-21 18:52:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 480 transitions. [2023-11-21 18:52:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:52:22,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:52:22,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:52:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 246 states and 479 transitions. [2023-11-21 18:52:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 479 transitions. [2023-11-21 18:52:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:52:26,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:26,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:26,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:52:26,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 21 proven. 707 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:52:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 255 states and 502 transitions. [2023-11-21 18:52:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 502 transitions. [2023-11-21 18:52:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:52:28,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:28,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:28,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:52:28,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:52:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 255 states and 497 transitions. [2023-11-21 18:52:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 497 transitions. [2023-11-21 18:52:29,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:52:29,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:29,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:29,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:52:29,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:52:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 265 states and 535 transitions. [2023-11-21 18:52:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 535 transitions. [2023-11-21 18:52:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:52:31,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:31,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:52:31,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.