./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.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_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/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_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/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_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/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 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:44,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:44,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:44:44,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:44:44,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:44:44,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:44,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:44,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:44,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:44,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:44,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:44,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:44,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:44:44,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:44:44,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:44:44,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:44,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:44,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:44,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:44,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:44,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:44,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:44:44,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:44,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:44,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:44,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:44,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:44,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:44,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:44,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:44,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:44,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:44,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:44:44,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:44:44,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:44,203 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_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2023-11-21 18:44:44,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:44,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:44,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:44,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:44,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:44,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-21 18:44:47,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:47,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:47,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-21 18:44:47,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/data/107cab11d/0660259798d54261bff23674f884e931/FLAG842b9534f [2023-11-21 18:44:47,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/data/107cab11d/0660259798d54261bff23674f884e931 [2023-11-21 18:44:47,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:47,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:47,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:47,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:47,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:47,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:47,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe38b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47, skipping insertion in model container [2023-11-21 18:44:47,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:47,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:47,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:47,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:47,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:47,929 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:47,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47 WrapperNode [2023-11-21 18:44:47,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:47,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:47,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:47,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:47,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:47,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:47,988 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-11-21 18:44:47,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:47,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:47,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:47,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:47,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:47,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:48,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:48,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:48,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:48,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:47" (1/1) ... [2023-11-21 18:44:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:48,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:48,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:48,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb06cb0-91a8-4f2e-9892-7e823c00f6c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:44:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:44:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:44:48,161 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:48,164 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:48,597 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:48,649 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:48,649 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:44:48,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:48 BoogieIcfgContainer [2023-11-21 18:44:48,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:48,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:48,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:48,664 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:48,665 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:48" (1/1) ... [2023-11-21 18:44:48,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 130 states and 133 transitions. [2023-11-21 18:44:48,738 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2023-11-21 18:44:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:44:48,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:48,914 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 18:44:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 132 states and 135 transitions. [2023-11-21 18:44:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2023-11-21 18:44:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:44:48,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-21 18:44:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-21 18:44:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:44:49,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,129 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 18:44:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2023-11-21 18:44:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2023-11-21 18:44:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:44:49,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,208 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 18:44:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 139 states and 146 transitions. [2023-11-21 18:44:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2023-11-21 18:44:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:44:49,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,473 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 18:44:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-21 18:44:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-21 18:44:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:49,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,560 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 18:44:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-11-21 18:44:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-11-21 18:44:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:44:49,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,595 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 18:44:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-21 18:44:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-21 18:44:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:44:49,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,637 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 18:44:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 142 states and 149 transitions. [2023-11-21 18:44:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2023-11-21 18:44:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:49,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,740 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 18:44:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 150 states and 158 transitions. [2023-11-21 18:44:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2023-11-21 18:44:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:44:49,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:49,943 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 18:44:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2023-11-21 18:44:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2023-11-21 18:44:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:50,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,169 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 18:44:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2023-11-21 18:44:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2023-11-21 18:44:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:44:50,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,273 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 18:44:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2023-11-21 18:44:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2023-11-21 18:44:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:44:50,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,341 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 18:44:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2023-11-21 18:44:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2023-11-21 18:44:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:50,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,407 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 18:44:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2023-11-21 18:44:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2023-11-21 18:44:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:50,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,502 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 18:44:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2023-11-21 18:44:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2023-11-21 18:44:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:50,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:50,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2023-11-21 18:44:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2023-11-21 18:44:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:50,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,715 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 18:44:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 173 states and 184 transitions. [2023-11-21 18:44:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 184 transitions. [2023-11-21 18:44:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:44:50,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,929 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 18:44:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 181 states and 193 transitions. [2023-11-21 18:44:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 193 transitions. [2023-11-21 18:44:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:44:51,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,025 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 18:44:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 180 states and 192 transitions. [2023-11-21 18:44:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2023-11-21 18:44:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:44:51,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,115 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 18:44:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 182 states and 194 transitions. [2023-11-21 18:44:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2023-11-21 18:44:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:51,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,290 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 18:44:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 186 states and 199 transitions. [2023-11-21 18:44:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 199 transitions. [2023-11-21 18:44:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:44:51,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,540 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 18:44:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 190 states and 204 transitions. [2023-11-21 18:44:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 204 transitions. [2023-11-21 18:44:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:44:51,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,677 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 18:44:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2023-11-21 18:44:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2023-11-21 18:44:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:44:51,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:51,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:51,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:51,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,784 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 18:44:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 219 states and 242 transitions. [2023-11-21 18:44:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 242 transitions. [2023-11-21 18:44:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:44:52,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:52,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:52,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:52,253 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 18:44:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 220 states and 243 transitions. [2023-11-21 18:44:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 243 transitions. [2023-11-21 18:44:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:44:52,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:52,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:52,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:52,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:52,370 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 18:44:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 247 states and 276 transitions. [2023-11-21 18:44:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 276 transitions. [2023-11-21 18:44:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:52,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:52,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:52,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:52,903 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 18:44:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 246 states and 275 transitions. [2023-11-21 18:44:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 275 transitions. [2023-11-21 18:44:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:52,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:52,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:52,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:52,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:52,994 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 18:44:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 249 states and 281 transitions. [2023-11-21 18:44:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 281 transitions. [2023-11-21 18:44:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:53,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:53,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:53,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:53,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:53,359 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 18:44:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 251 states and 283 transitions. [2023-11-21 18:44:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 283 transitions. [2023-11-21 18:44:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:53,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:53,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:53,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:53,724 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 18:44:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 255 states and 290 transitions. [2023-11-21 18:44:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2023-11-21 18:44:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:54,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:54,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:54,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:54,173 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 18:44:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-21 18:44:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-21 18:44:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:54,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:54,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:54,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:54,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 257 states and 292 transitions. [2023-11-21 18:44:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2023-11-21 18:44:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:54,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:54,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:54,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:54,354 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 18:44:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-21 18:44:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-21 18:44:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:54,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:54,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:54,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:54,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:54,469 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 18:44:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 264 states and 301 transitions. [2023-11-21 18:44:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 301 transitions. [2023-11-21 18:44:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:54,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:54,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:54,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:54,992 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 18:44:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 265 states and 303 transitions. [2023-11-21 18:44:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-11-21 18:44:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:55,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:55,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:55,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:55,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:55,131 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 18:44:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 267 states and 305 transitions. [2023-11-21 18:44:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 305 transitions. [2023-11-21 18:44:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:44:55,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:55,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:55,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 275 states and 316 transitions. [2023-11-21 18:44:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 316 transitions. [2023-11-21 18:44:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:44:55,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:55,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:55,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:55,881 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 18:44:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 287 states and 334 transitions. [2023-11-21 18:44:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 334 transitions. [2023-11-21 18:44:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:44:56,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:56,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:56,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 296 states and 346 transitions. [2023-11-21 18:44:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 346 transitions. [2023-11-21 18:44:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:44:57,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:57,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:57,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:57,388 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 18:44:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 308 states and 367 transitions. [2023-11-21 18:44:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 367 transitions. [2023-11-21 18:44:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:58,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:58,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:58,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:44:58,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 307 states and 366 transitions. [2023-11-21 18:44:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 366 transitions. [2023-11-21 18:44:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:58,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:58,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:58,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 312 states and 372 transitions. [2023-11-21 18:44:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2023-11-21 18:44:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:59,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:59,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:59,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:59,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 311 states and 367 transitions. [2023-11-21 18:45:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 367 transitions. [2023-11-21 18:45:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:45:01,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:01,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:01,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 317 states and 374 transitions. [2023-11-21 18:45:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 374 transitions. [2023-11-21 18:45:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:45:03,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:03,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:03,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:45:03,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 320 states and 380 transitions. [2023-11-21 18:45:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 380 transitions. [2023-11-21 18:45:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:45:03,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:04,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:04,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 327 states and 388 transitions. [2023-11-21 18:45:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 388 transitions. [2023-11-21 18:45:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:45:05,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:05,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:45:05,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 326 states and 387 transitions. [2023-11-21 18:45:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 387 transitions. [2023-11-21 18:45:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:45:05,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:05,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:05,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 331 states and 394 transitions. [2023-11-21 18:45:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 394 transitions. [2023-11-21 18:45:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:45:05,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:05,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:05,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:05,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 340 states and 404 transitions. [2023-11-21 18:45:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 404 transitions. [2023-11-21 18:45:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:45:07,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:07,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:07,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:07,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 346 states and 412 transitions. [2023-11-21 18:45:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 412 transitions. [2023-11-21 18:45:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:45:07,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:07,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:07,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 356 states and 423 transitions. [2023-11-21 18:45:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 423 transitions. [2023-11-21 18:45:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:45:08,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:08,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:08,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 363 states and 432 transitions. [2023-11-21 18:45:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2023-11-21 18:45:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:45:09,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:09,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:09,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:09,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 362 states and 431 transitions. [2023-11-21 18:45:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 431 transitions. [2023-11-21 18:45:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:45:10,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:10,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:10,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:10,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 361 states and 430 transitions. [2023-11-21 18:45:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 430 transitions. [2023-11-21 18:45:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:45:10,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:10,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:10,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:10,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 370 states and 442 transitions. [2023-11-21 18:45:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 442 transitions. [2023-11-21 18:45:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:45:11,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:11,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:11,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 369 states and 441 transitions. [2023-11-21 18:45:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 441 transitions. [2023-11-21 18:45:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:45:12,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:12,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:45:12,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:13,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 375 states and 447 transitions. [2023-11-21 18:45:13,288 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 447 transitions. [2023-11-21 18:45:13,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:45:13,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:13,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:45:13,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 374 states and 446 transitions. [2023-11-21 18:45:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 446 transitions. [2023-11-21 18:45:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:45:13,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:13,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:13,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:45:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 376 states and 452 transitions. [2023-11-21 18:45:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 452 transitions. [2023-11-21 18:45:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:45:13,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:13,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:14,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:14,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 375 states and 451 transitions. [2023-11-21 18:45:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 451 transitions. [2023-11-21 18:45:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:45:15,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:15,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:15,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:15,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 377 states and 454 transitions. [2023-11-21 18:45:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 454 transitions. [2023-11-21 18:45:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:45:16,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:16,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:16,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 376 states and 453 transitions. [2023-11-21 18:45:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 453 transitions. [2023-11-21 18:45:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:45:17,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:17,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:17,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 380 states and 459 transitions. [2023-11-21 18:45:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 459 transitions. [2023-11-21 18:45:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:45:18,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:18,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:18,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 379 states and 458 transitions. [2023-11-21 18:45:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 458 transitions. [2023-11-21 18:45:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:45:19,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:19,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:19,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:19,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 397 states and 477 transitions. [2023-11-21 18:45:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 477 transitions. [2023-11-21 18:45:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:45:22,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:22,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:22,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:22,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 399 states and 479 transitions. [2023-11-21 18:45:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 479 transitions. [2023-11-21 18:45:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:45:23,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:23,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:23,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 398 states and 478 transitions. [2023-11-21 18:45:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 478 transitions. [2023-11-21 18:45:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:45:25,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:25,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:25,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 399 states and 480 transitions. [2023-11-21 18:45:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 480 transitions. [2023-11-21 18:45:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:45:26,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:26,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:45:26,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 398 states and 479 transitions. [2023-11-21 18:45:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 479 transitions. [2023-11-21 18:45:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:45:26,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:26,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:26,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 400 states and 482 transitions. [2023-11-21 18:45:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 482 transitions. [2023-11-21 18:45:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:45:27,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:27,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:27,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:27,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 399 states and 481 transitions. [2023-11-21 18:45:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 481 transitions. [2023-11-21 18:45:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:45:29,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:29,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:29,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:29,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:31,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 408 states and 491 transitions. [2023-11-21 18:45:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2023-11-21 18:45:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:45:31,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:31,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:31,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 430 states and 514 transitions. [2023-11-21 18:45:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 514 transitions. [2023-11-21 18:45:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:45:37,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:37,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:37,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:37,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:39,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 446 states and 533 transitions. [2023-11-21 18:45:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 533 transitions. [2023-11-21 18:45:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:45:39,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:39,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:39,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:39,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 445 states and 532 transitions. [2023-11-21 18:45:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 532 transitions. [2023-11-21 18:45:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:45:40,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:40,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:40,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:40,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.