./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.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_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/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_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/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_f9caf29b-d299-48c3-b5da-16bb2fe0e061/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 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:40,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:40,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:40,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:40,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:40,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:40,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:40,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:40,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:40,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:40,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:40,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:40,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:40,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:40,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:40,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:40,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:40,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:40,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:40,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:40,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:40,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:40,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:40,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:40,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:40,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:40,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:40,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:40,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:40,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:40,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:40,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:40,943 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:40,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:40,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:40,944 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_f9caf29b-d299-48c3-b5da-16bb2fe0e061/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 [2023-11-21 18:55:41,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:41,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:41,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:41,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:41,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:41,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-21 18:55:44,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:44,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:44,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-21 18:55:44,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/data/a8f2c85eb/c203e5c51b134df3b3132272965f78b3/FLAG4c9b8ee04 [2023-11-21 18:55:44,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/data/a8f2c85eb/c203e5c51b134df3b3132272965f78b3 [2023-11-21 18:55:44,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:44,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:44,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:44,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:44,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:44,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:44" (1/1) ... [2023-11-21 18:55:44,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed4cd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:44, skipping insertion in model container [2023-11-21 18:55:44,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:44" (1/1) ... [2023-11-21 18:55:44,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:44,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:45,005 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:45,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:45,045 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:45,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45 WrapperNode [2023-11-21 18:55:45,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:45,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:45,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:45,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:45,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,097 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-21 18:55:45,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:45,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:45,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:45,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:45,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:45,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:45,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:45,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:45,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:45,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9caf29b-d299-48c3-b5da-16bb2fe0e061/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:55:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:55:45,329 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:45,331 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:45,703 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:45,736 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:45,737 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:55:45,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:45 BoogieIcfgContainer [2023-11-21 18:55:45,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:45,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:45,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:45,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:45,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:45" (1/1) ... [2023-11-21 18:55:45,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-21 18:55:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-21 18:55:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:55:45,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,002 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 18:55:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-21 18:55:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-21 18:55:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:55:46,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,145 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 18:55:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-21 18:55:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-21 18:55:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:55:46,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,291 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 18:55:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-21 18:55:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-21 18:55:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:55:46,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,400 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 18:55:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-21 18:55:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-21 18:55:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:55:46,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,628 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 18:55:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-21 18:55:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-21 18:55:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:55:46,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,698 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 18:55:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-21 18:55:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-21 18:55:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:46,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,783 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 18:55:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-21 18:55:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-21 18:55:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:46,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,845 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 18:55:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-21 18:55:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-21 18:55:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:55:46,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,901 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 18:55:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-21 18:55:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-21 18:55:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:55:46,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:46,971 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 18:55:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-21 18:55:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-21 18:55:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:55:47,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,070 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 18:55:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-21 18:55:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-21 18:55:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:55:47,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,152 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 18:55:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-21 18:55:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-21 18:55:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:55:47,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,207 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 18:55:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-21 18:55:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-21 18:55:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:55:47,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:47,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:47,354 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 18:55:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-21 18:55:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-21 18:55:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:55:47,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:55:47,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:47,443 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 18:55:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-21 18:55:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-21 18:55:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:55:47,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:47,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:47,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:47,560 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 18:55:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-21 18:55:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-21 18:55:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:55:47,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:48,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:48,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,076 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 18:55:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-21 18:55:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-21 18:55:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:55:48,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:48,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:48,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:48,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:48,754 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 18:55:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-21 18:55:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-21 18:55:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:55:49,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:49,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:49,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:49,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:49,766 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 18:55:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-21 18:55:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-21 18:55:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:55:49,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,140 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 18:55:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-21 18:55:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-21 18:55:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:55:50,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:50,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,440 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 18:55:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-21 18:55:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-21 18:55:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:55:50,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:50,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:50,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:50,784 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 18:55:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-21 18:55:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-21 18:55:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:55:50,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:51,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:51,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:51,121 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 18:55:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-21 18:55:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-21 18:55:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:55:51,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:51,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:51,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:51,853 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 18:55:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-21 18:55:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-21 18:55:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:55:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:52,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:52,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:52,307 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 18:55:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-21 18:55:52,594 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-21 18:55:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:55:52,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:52,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:52,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:52,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:52,756 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 18:55:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-21 18:55:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-21 18:55:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:55:52,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:52,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:52,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:52,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-21 18:55:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-21 18:55:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:55:53,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:53,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:53,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-21 18:55:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-21 18:55:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:55:54,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:54,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:54,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:54,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-21 18:55:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-21 18:55:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:55:55,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-21 18:55:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-21 18:55:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:55,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-21 18:55:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-21 18:55:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:55,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-21 18:55:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-21 18:55:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:55:56,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-21 18:55:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-21 18:55:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:55:56,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-21 18:55:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-21 18:55:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:55:57,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-21 18:55:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-21 18:55:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:55:59,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:59,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:59,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-21 18:56:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-21 18:56:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:56:01,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:01,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:01,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-21 18:56:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-21 18:56:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:56:01,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:01,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:01,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-21 18:56:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-21 18:56:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:56:01,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:01,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:56:01,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-21 18:56:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-21 18:56:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:56:04,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:04,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:04,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-21 18:56:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-21 18:56:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:56:04,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:04,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:04,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:56:04,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-21 18:56:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-21 18:56:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:07,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:07,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:07,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:07,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-21 18:56:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-21 18:56:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:07,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:07,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:07,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:56:07,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-21 18:56:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-21 18:56:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:07,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:07,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:07,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 364 states and 532 transitions. [2023-11-21 18:56:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 532 transitions. [2023-11-21 18:56:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:56:10,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:10,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:10,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:10,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-21 18:56:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-21 18:56:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:56:11,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:11,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:11,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 378 states and 560 transitions. [2023-11-21 18:56:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 560 transitions. [2023-11-21 18:56:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:13,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:13,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:13,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:13,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 405 states and 596 transitions. [2023-11-21 18:56:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 596 transitions. [2023-11-21 18:56:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:56:16,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:16,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:16,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:16,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:56:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 408 states and 600 transitions. [2023-11-21 18:56:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 600 transitions. [2023-11-21 18:56:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:56:17,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:17,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:17,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:17,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:56:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 407 states and 599 transitions. [2023-11-21 18:56:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 599 transitions. [2023-11-21 18:56:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:56:17,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:17,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:17,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 406 states and 598 transitions. [2023-11-21 18:56:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 598 transitions. [2023-11-21 18:56:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:56:18,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:18,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:18,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:56:18,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-21 18:56:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-21 18:56:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:56:18,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:18,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:18,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:18,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 419 states and 626 transitions. [2023-11-21 18:56:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 626 transitions. [2023-11-21 18:56:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:56:19,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:19,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:19,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:19,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 434 states and 655 transitions. [2023-11-21 18:56:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 655 transitions. [2023-11-21 18:56:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:56:20,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:20,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:20,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:56:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 433 states and 654 transitions. [2023-11-21 18:56:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 654 transitions. [2023-11-21 18:56:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:20,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:20,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:20,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 449 states and 685 transitions. [2023-11-21 18:56:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 685 transitions. [2023-11-21 18:56:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:56:22,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:22,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:22,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:22,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:56:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 448 states and 684 transitions. [2023-11-21 18:56:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 684 transitions. [2023-11-21 18:56:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:56:22,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:22,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:22,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 447 states and 683 transitions. [2023-11-21 18:56:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 683 transitions. [2023-11-21 18:56:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:56:23,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:23,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:23,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:56:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 446 states and 682 transitions. [2023-11-21 18:56:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 682 transitions. [2023-11-21 18:56:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:56:23,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:23,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:23,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:23,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 464 states and 714 transitions. [2023-11-21 18:56:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 714 transitions. [2023-11-21 18:56:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:56:25,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:25,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:25,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:25,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:56:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 463 states and 713 transitions. [2023-11-21 18:56:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 713 transitions. [2023-11-21 18:56:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:56:26,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:26,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:26,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 462 states and 712 transitions. [2023-11-21 18:56:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 712 transitions. [2023-11-21 18:56:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:56:27,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:27,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:27,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 461 states and 711 transitions. [2023-11-21 18:56:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 711 transitions. [2023-11-21 18:56:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:56:28,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:28,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:56:28,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:56:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 471 states and 731 transitions. [2023-11-21 18:56:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 731 transitions. [2023-11-21 18:56:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:56:32,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:32,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:32,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:56:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 470 states and 730 transitions. [2023-11-21 18:56:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 730 transitions. [2023-11-21 18:56:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:56:34,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:34,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:34,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.