./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9 --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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:48,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:48,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:47:48,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:47:48,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:47:48,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:48,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:48,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:48,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:48,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:48,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:48,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:48,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:47:48,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:47:48,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:47:48,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:48,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:48,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:48,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:48,819 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:47:48,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:47:48,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:47:48,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:48,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:48,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:48,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:48,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:48,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:48,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:48,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:48,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:48,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:48,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:47:48,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:47:48,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:48,825 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_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2023-12-02 21:47:49,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:49,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:49,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:49,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:49,042 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:49,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-12-02 21:47:51,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:51,947 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:51,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-12-02 21:47:51,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/data/064245b56/53cda75eee13414fa53d462bdd97193e/FLAG377320bbb [2023-12-02 21:47:51,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/data/064245b56/53cda75eee13414fa53d462bdd97193e [2023-12-02 21:47:51,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:51,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:51,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:51,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:51,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:51,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:51" (1/1) ... [2023-12-02 21:47:51,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e7f400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:51, skipping insertion in model container [2023-12-02 21:47:51,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:51" (1/1) ... [2023-12-02 21:47:51,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:52,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:52,148 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:52,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:52,180 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:52,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52 WrapperNode [2023-12-02 21:47:52,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:52,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:52,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:52,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:52,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,221 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-12-02 21:47:52,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:52,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:52,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:52,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:52,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:52,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:52,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:52,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:52,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:52,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:52,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ced3f5a-d017-4835-8f28-c32c35238921/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:47:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:47:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:47:52,380 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:52,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:52,653 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:52,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:52,692 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:47:52,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:52 BoogieIcfgContainer [2023-12-02 21:47:52,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:52,695 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:52,695 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:52,702 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:52,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:52" (1/1) ... [2023-12-02 21:47:52,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-02 21:47:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-02 21:47:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:47:52,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:52,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-02 21:47:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-02 21:47:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:47:52,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:52,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-02 21:47:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-02 21:47:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:47:53,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:53,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-02 21:47:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-02 21:47:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:47:53,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:53,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:53,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:53,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:47:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2023-12-02 21:47:53,514 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2023-12-02 21:47:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:47:53,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:53,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:53,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:47:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2023-12-02 21:47:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2023-12-02 21:47:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:47:54,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:54,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:54,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2023-12-02 21:47:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2023-12-02 21:47:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:47:54,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:54,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:54,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:54,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 111 states and 169 transitions. [2023-12-02 21:47:55,612 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2023-12-02 21:47:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:47:55,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:55,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:55,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:55,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 185 transitions. [2023-12-02 21:47:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2023-12-02 21:47:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:47:56,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:56,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:56,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:56,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 235 transitions. [2023-12-02 21:47:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2023-12-02 21:47:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:47:57,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:58,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:58,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 136 states and 248 transitions. [2023-12-02 21:47:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 248 transitions. [2023-12-02 21:47:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:47:58,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:58,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:58,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:58,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 142 states and 263 transitions. [2023-12-02 21:47:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2023-12-02 21:47:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:47:59,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:59,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:59,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:59,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 143 states and 264 transitions. [2023-12-02 21:47:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 264 transitions. [2023-12-02 21:47:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:47:59,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:59,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:59,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 289 transitions. [2023-12-02 21:48:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 289 transitions. [2023-12-02 21:48:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:48:01,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:01,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:01,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:48:01,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 166 states and 316 transitions. [2023-12-02 21:48:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 316 transitions. [2023-12-02 21:48:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:48:03,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:03,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:48:03,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2023-12-02 21:48:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2023-12-02 21:48:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:48:05,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:05,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:48:05,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 185 states and 354 transitions. [2023-12-02 21:48:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 354 transitions. [2023-12-02 21:48:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:48:08,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:08,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:48:08,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 192 states and 366 transitions. [2023-12-02 21:48:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2023-12-02 21:48:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:48:09,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:09,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:09,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:48:09,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 392 transitions. [2023-12-02 21:48:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 392 transitions. [2023-12-02 21:48:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:48:13,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:13,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:13,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:13,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:48:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 214 states and 414 transitions. [2023-12-02 21:48:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 414 transitions. [2023-12-02 21:48:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:48:15,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:15,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:48:15,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:48:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 224 states and 438 transitions. [2023-12-02 21:48:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 438 transitions. [2023-12-02 21:48:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:48:23,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:23,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:48:23,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:48:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2023-12-02 21:48:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2023-12-02 21:48:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:48:44,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:44,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:48:44,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:48:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 239 states and 471 transitions. [2023-12-02 21:48:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 471 transitions. [2023-12-02 21:48:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:48:45,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:46,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:48:46,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:48:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 476 transitions. [2023-12-02 21:48:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 476 transitions. [2023-12-02 21:48:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:48:47,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:47,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:47,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:48:47,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:48:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 259 states and 518 transitions. [2023-12-02 21:48:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 518 transitions. [2023-12-02 21:48:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:48:52,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:52,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:52,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:48:52,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:48:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 263 states and 522 transitions. [2023-12-02 21:48:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 522 transitions. [2023-12-02 21:48:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:48:53,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:53,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:53,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:48:53,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:48:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 272 states and 545 transitions. [2023-12-02 21:48:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 545 transitions. [2023-12-02 21:48:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:48:57,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:57,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:57,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:48:57,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:49:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 285 states and 575 transitions. [2023-12-02 21:49:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 575 transitions. [2023-12-02 21:49:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:49:03,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:03,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:03,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:49:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 286 states and 576 transitions. [2023-12-02 21:49:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 576 transitions. [2023-12-02 21:49:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:49:03,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:03,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:03,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:49:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 295 states and 598 transitions. [2023-12-02 21:49:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 598 transitions. [2023-12-02 21:49:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:49:05,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:05,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:06,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:49:06,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 305 states and 624 transitions. [2023-12-02 21:49:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 624 transitions. [2023-12-02 21:49:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:49:07,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:07,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:08,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:49:08,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 309 states and 628 transitions. [2023-12-02 21:49:09,398 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 628 transitions. [2023-12-02 21:49:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:49:09,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:09,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:09,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:49:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 326 states and 663 transitions. [2023-12-02 21:49:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 663 transitions. [2023-12-02 21:49:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:49:14,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:14,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:14,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:49:14,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 340 states and 712 transitions. [2023-12-02 21:49:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 712 transitions. [2023-12-02 21:49:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:49:17,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:17,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:17,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:49:17,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 352 states and 727 transitions. [2023-12-02 21:49:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 727 transitions. [2023-12-02 21:49:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:49:21,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:21,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:21,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:49:21,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 356 states and 730 transitions. [2023-12-02 21:49:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 730 transitions. [2023-12-02 21:49:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:49:22,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:22,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:22,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:49:22,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 367 states and 820 transitions. [2023-12-02 21:49:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 820 transitions. [2023-12-02 21:49:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:49:25,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:25,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:25,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:49:25,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 369 states and 823 transitions. [2023-12-02 21:49:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 823 transitions. [2023-12-02 21:49:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:49:26,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:26,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:26,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 371 states and 827 transitions. [2023-12-02 21:49:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 827 transitions. [2023-12-02 21:49:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:49:26,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:26,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:26,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:26,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 375 states and 842 transitions. [2023-12-02 21:49:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 842 transitions. [2023-12-02 21:49:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:49:27,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:27,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:27,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:27,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 381 states and 863 transitions. [2023-12-02 21:49:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 863 transitions. [2023-12-02 21:49:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:49:29,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:29,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:29,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:29,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:49:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 385 states and 878 transitions. [2023-12-02 21:49:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 878 transitions. [2023-12-02 21:49:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:49:30,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:30,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:30,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:49:30,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 397 states and 986 transitions. [2023-12-02 21:49:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 986 transitions. [2023-12-02 21:49:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:49:34,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:34,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:34,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:49:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 411 states and 1015 transitions. [2023-12-02 21:49:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1015 transitions. [2023-12-02 21:49:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:49:39,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:39,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:39,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:49:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 417 states and 1032 transitions. [2023-12-02 21:49:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1032 transitions. [2023-12-02 21:49:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:49:42,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:42,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:42,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:49:42,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 419 states and 1033 transitions. [2023-12-02 21:49:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1033 transitions. [2023-12-02 21:49:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:49:43,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:43,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:43,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:49:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 437 states and 1069 transitions. [2023-12-02 21:49:50,139 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1069 transitions. [2023-12-02 21:49:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:49:50,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:50,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:50,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:49:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 439 states and 1075 transitions. [2023-12-02 21:49:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1075 transitions. [2023-12-02 21:49:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:49:51,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:51,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:51,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:49:51,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 443 states and 1084 transitions. [2023-12-02 21:49:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1084 transitions. [2023-12-02 21:49:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:49:53,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:53,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:53,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:49:53,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:49:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 447 states and 1089 transitions. [2023-12-02 21:49:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1089 transitions. [2023-12-02 21:49:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:49:55,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:55,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:55,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:55,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:50:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 463 states and 1127 transitions. [2023-12-02 21:50:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1127 transitions. [2023-12-02 21:50:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:50:07,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:07,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:07,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:50:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 465 states and 1129 transitions. [2023-12-02 21:50:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1129 transitions. [2023-12-02 21:50:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:50:08,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:08,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:50:08,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:50:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 472 states and 1141 transitions. [2023-12-02 21:50:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1141 transitions. [2023-12-02 21:50:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:50:11,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:11,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:11,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:50:11,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:50:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 474 states and 1144 transitions. [2023-12-02 21:50:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1144 transitions. [2023-12-02 21:50:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:50:13,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:13,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:50:13,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:50:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 492 states and 1176 transitions. [2023-12-02 21:50:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1176 transitions. [2023-12-02 21:50:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:50:21,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:21,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:50:21,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:50:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 494 states and 1178 transitions. [2023-12-02 21:50:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1178 transitions. [2023-12-02 21:50:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:50:22,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:22,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:22,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:50:22,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:50:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 499 states and 1207 transitions. [2023-12-02 21:50:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1207 transitions. [2023-12-02 21:50:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:50:25,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:25,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:50:25,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:50:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 502 states and 1211 transitions. [2023-12-02 21:50:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1211 transitions. [2023-12-02 21:50:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:50:26,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:26,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:26,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:50:26,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-02 21:50:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 506 states and 1220 transitions. [2023-12-02 21:50:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1220 transitions. [2023-12-02 21:50:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 21:50:30,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:30,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:50:30,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-02 21:50:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 510 states and 1229 transitions. [2023-12-02 21:50:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1229 transitions. [2023-12-02 21:50:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:50:39,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:39,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:39,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:39,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:50:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 514 states and 1240 transitions. [2023-12-02 21:50:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1240 transitions. [2023-12-02 21:50:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:50:42,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:42,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:42,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:50:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 518 states and 1245 transitions. [2023-12-02 21:50:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1245 transitions. [2023-12-02 21:50:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:50:45,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:45,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:50:45,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 542 states and 1320 transitions. [2023-12-02 21:51:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1320 transitions. [2023-12-02 21:51:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:51:02,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:02,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:02,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 550 states and 1357 transitions. [2023-12-02 21:51:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1357 transitions. [2023-12-02 21:51:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:51:07,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:07,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:07,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 554 states and 1360 transitions. [2023-12-02 21:51:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1360 transitions. [2023-12-02 21:51:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:51:09,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:09,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:09,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 568 states and 1401 transitions. [2023-12-02 21:51:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1401 transitions. [2023-12-02 21:51:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:51:19,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:19,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:51:19,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 589 states and 1464 transitions. [2023-12-02 21:51:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1464 transitions. [2023-12-02 21:51:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:51:46,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:46,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:46,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:51:46,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 591 states and 1467 transitions. [2023-12-02 21:51:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1467 transitions. [2023-12-02 21:51:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:51:47,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:47,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:47,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 607 states and 1511 transitions. [2023-12-02 21:51:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1511 transitions. [2023-12-02 21:51:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:51:59,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:59,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:59,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:52:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 619 states and 1557 transitions. [2023-12-02 21:52:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1557 transitions. [2023-12-02 21:52:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:52:06,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:06,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:06,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:52:06,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:52:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 627 states and 1593 transitions. [2023-12-02 21:52:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1593 transitions. [2023-12-02 21:52:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:52:10,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:10,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:10,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:52:10,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:52:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 631 states and 1597 transitions. [2023-12-02 21:52:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1597 transitions. [2023-12-02 21:52:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:52:13,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:13,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:52:13,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:52:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 648 states and 1642 transitions. [2023-12-02 21:52:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1642 transitions. [2023-12-02 21:52:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:28,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:28,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:28,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:52:28,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:52:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 656 states and 1654 transitions. [2023-12-02 21:52:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1654 transitions. [2023-12-02 21:52:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:33,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:33,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:52:33,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:52:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 666 states and 1789 transitions. [2023-12-02 21:52:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1789 transitions. [2023-12-02 21:52:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:39,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:39,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:39,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:52:39,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 21:52:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 676 states and 1810 transitions. [2023-12-02 21:52:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1810 transitions. [2023-12-02 21:52:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:46,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:46,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:52:46,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 21:52:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 682 states and 1839 transitions. [2023-12-02 21:52:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1839 transitions. [2023-12-02 21:52:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:48,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:48,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:48,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:52:48,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 21:52:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 686 states and 1864 transitions. [2023-12-02 21:52:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1864 transitions. [2023-12-02 21:52:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:52:50,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:50,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:50,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:52:50,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:52:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 690 states and 1869 transitions. [2023-12-02 21:52:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1869 transitions. [2023-12-02 21:52:51,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:52:51,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:51,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:51,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:52:51,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 82 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:52:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 701 states and 2001 transitions. [2023-12-02 21:52:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 2001 transitions. [2023-12-02 21:52:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:52:58,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:58,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:58,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:52:58,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:53:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 705 states and 2012 transitions. [2023-12-02 21:53:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 2012 transitions. [2023-12-02 21:53:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:02,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:02,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:02,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:02,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 711 states and 2041 transitions. [2023-12-02 21:53:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 2041 transitions. [2023-12-02 21:53:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:06,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:06,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:06,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 717 states and 2062 transitions. [2023-12-02 21:53:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 2062 transitions. [2023-12-02 21:53:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:08,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:08,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:08,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:08,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 721 states and 2085 transitions. [2023-12-02 21:53:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 2085 transitions. [2023-12-02 21:53:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:10,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:10,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:53:10,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 82 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:53:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 723 states and 2096 transitions. [2023-12-02 21:53:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2096 transitions. [2023-12-02 21:53:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:11,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:11,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:11,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:11,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 725 states and 2104 transitions. [2023-12-02 21:53:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2104 transitions. [2023-12-02 21:53:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:53:12,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:12,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:12,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:53:12,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:53:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 724 states and 2103 transitions. [2023-12-02 21:53:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 2103 transitions. [2023-12-02 21:53:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:13,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:13,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:13,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:13,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 730 states and 2136 transitions. [2023-12-02 21:53:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 2136 transitions. [2023-12-02 21:53:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:18,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:18,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:18,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 734 states and 2161 transitions. [2023-12-02 21:53:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2161 transitions. [2023-12-02 21:53:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:20,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:20,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:20,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 736 states and 2165 transitions. [2023-12-02 21:53:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 2165 transitions. [2023-12-02 21:53:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:21,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:21,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:21,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 738 states and 2172 transitions. [2023-12-02 21:53:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2172 transitions. [2023-12-02 21:53:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:22,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:22,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:22,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 740 states and 2176 transitions. [2023-12-02 21:53:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 2176 transitions. [2023-12-02 21:53:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:23,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:23,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:23,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:53:23,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:53:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 742 states and 2180 transitions. [2023-12-02 21:53:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 2180 transitions. [2023-12-02 21:53:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:25,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:25,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:25,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:53:25,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:53:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 756 states and 2200 transitions. [2023-12-02 21:53:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 2200 transitions. [2023-12-02 21:53:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:53:35,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:35,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:35,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:53:35,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:53:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 768 states and 2230 transitions. [2023-12-02 21:53:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 2230 transitions. [2023-12-02 21:53:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:53:43,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:43,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:53:43,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:53:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 784 states and 2277 transitions. [2023-12-02 21:53:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2277 transitions. [2023-12-02 21:53:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:53:57,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:57,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:57,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:53:57,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:53:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 788 states and 2300 transitions. [2023-12-02 21:53:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 2300 transitions. [2023-12-02 21:53:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:53:59,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:59,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:53:59,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:54:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 793 states and 2324 transitions. [2023-12-02 21:54:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2324 transitions. [2023-12-02 21:54:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:01,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:01,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:01,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:01,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:54:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 795 states and 2338 transitions. [2023-12-02 21:54:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2338 transitions. [2023-12-02 21:54:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:03,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:03,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:03,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:54:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 797 states and 2350 transitions. [2023-12-02 21:54:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2350 transitions. [2023-12-02 21:54:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:05,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:05,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:05,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:54:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 807 states and 2386 transitions. [2023-12-02 21:54:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2386 transitions. [2023-12-02 21:54:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:14,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:14,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:14,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:54:14,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:54:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 814 states and 2531 transitions. [2023-12-02 21:54:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 2531 transitions. [2023-12-02 21:54:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:21,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:21,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:21,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:54:21,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:54:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 816 states and 2535 transitions. [2023-12-02 21:54:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2535 transitions. [2023-12-02 21:54:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:23,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:23,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:23,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:54:23,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:54:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 830 states and 2557 transitions. [2023-12-02 21:54:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2557 transitions. [2023-12-02 21:54:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:54:34,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:34,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:54:34,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:54:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 838 states and 2573 transitions. [2023-12-02 21:54:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 2573 transitions. [2023-12-02 21:54:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:54:47,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:47,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:47,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:54:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 852 states and 2606 transitions. [2023-12-02 21:54:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2606 transitions. [2023-12-02 21:54:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:54:58,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:58,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:58,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:58,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:55:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 858 states and 2637 transitions. [2023-12-02 21:55:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 2637 transitions. [2023-12-02 21:55:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:01,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:01,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:55:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 866 states and 2674 transitions. [2023-12-02 21:55:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2674 transitions. [2023-12-02 21:55:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:09,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:09,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:09,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:09,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:55:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 870 states and 2690 transitions. [2023-12-02 21:55:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 2690 transitions. [2023-12-02 21:55:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:14,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:14,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:14,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:55:14,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:55:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 874 states and 2698 transitions. [2023-12-02 21:55:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2698 transitions. [2023-12-02 21:55:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:20,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:20,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:20,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:20,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:55:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 876 states and 2710 transitions. [2023-12-02 21:55:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 2710 transitions. [2023-12-02 21:55:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:22,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:22,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:55:22,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:55:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 878 states and 2711 transitions. [2023-12-02 21:55:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 2711 transitions. [2023-12-02 21:55:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:55:23,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:23,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:55:23,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:55:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 887 states and 2751 transitions. [2023-12-02 21:55:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2751 transitions. [2023-12-02 21:55:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:37,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:37,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:55:37,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:55:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 901 states and 2801 transitions. [2023-12-02 21:55:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 2801 transitions. [2023-12-02 21:55:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:58,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:58,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:55:58,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:56:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 909 states and 2854 transitions. [2023-12-02 21:56:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 2854 transitions. [2023-12-02 21:56:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:06,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:06,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:06,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:56:06,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:56:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 915 states and 2874 transitions. [2023-12-02 21:56:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 2874 transitions. [2023-12-02 21:56:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:10,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:10,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:10,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:56:10,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 96 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:56:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 922 states and 2886 transitions. [2023-12-02 21:56:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2886 transitions. [2023-12-02 21:56:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:15,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:15,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:15,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:56:15,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:56:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 924 states and 2899 transitions. [2023-12-02 21:56:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2899 transitions. [2023-12-02 21:56:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:17,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:17,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:17,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:56:17,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 96 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:56:20,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 926 states and 2901 transitions. [2023-12-02 21:56:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2901 transitions. [2023-12-02 21:56:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:20,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:20,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:56:20,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:56:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 930 states and 2922 transitions. [2023-12-02 21:56:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 2922 transitions. [2023-12-02 21:56:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:29,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:29,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:56:29,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:56:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 935 states and 2946 transitions. [2023-12-02 21:56:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2946 transitions. [2023-12-02 21:56:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:59,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:59,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:56:59,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:57:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 938 states and 2962 transitions. [2023-12-02 21:57:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2962 transitions. [2023-12-02 21:57:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:03,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:03,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:03,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:57:03,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:57:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 948 states and 2982 transitions. [2023-12-02 21:57:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 2982 transitions. [2023-12-02 21:57:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:15,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:15,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:57:15,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:57:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 958 states and 3009 transitions. [2023-12-02 21:57:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 3009 transitions. [2023-12-02 21:57:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:24,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:24,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:25,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:57:25,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:57:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 962 states and 3027 transitions. [2023-12-02 21:57:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 3027 transitions. [2023-12-02 21:57:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:27,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:27,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:57:27,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 21:57:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 966 states and 3040 transitions. [2023-12-02 21:57:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 3040 transitions. [2023-12-02 21:57:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:35,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:35,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:35,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:35,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:57:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 967 states and 3041 transitions. [2023-12-02 21:57:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 3041 transitions. [2023-12-02 21:57:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:57:55,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:55,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:55,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:57:55,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:58:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 971 states and 3047 transitions. [2023-12-02 21:58:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 3047 transitions. [2023-12-02 21:58:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:58:07,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:07,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:07,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:07,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:58:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 988 states and 3090 transitions. [2023-12-02 21:58:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3090 transitions. [2023-12-02 21:58:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:58:33,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:33,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:33,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:58:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 994 states and 3115 transitions. [2023-12-02 21:58:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3115 transitions. [2023-12-02 21:58:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:58:49,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:49,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:49,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:58:49,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 52 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:59:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 998 states and 3121 transitions. [2023-12-02 21:59:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 3121 transitions. [2023-12-02 21:59:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:59:00,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:00,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:59:00,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:59:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 1003 states and 3181 transitions. [2023-12-02 21:59:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 3181 transitions. [2023-12-02 21:59:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:59:08,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:08,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:08,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:59:08,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:59:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 1006 states and 3186 transitions. [2023-12-02 21:59:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 3186 transitions. [2023-12-02 21:59:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:59:11,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:11,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:11,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:11,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:59:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 1012 states and 3201 transitions. [2023-12-02 21:59:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 3201 transitions. [2023-12-02 21:59:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:59:57,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:57,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:57,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:57,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 22:00:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1015 states and 3208 transitions. [2023-12-02 22:00:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 3208 transitions. [2023-12-02 22:00:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:00:07,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:07,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:00:07,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 22:00:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 1016 states and 3209 transitions. [2023-12-02 22:00:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 3209 transitions. [2023-12-02 22:00:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:00:16,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:16,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:00:16,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-12-02 22:00:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 1020 states and 3218 transitions. [2023-12-02 22:00:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 3218 transitions. [2023-12-02 22:00:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:00:24,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:24,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:00:24,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-12-02 22:00:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 1022 states and 3224 transitions. [2023-12-02 22:00:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 3224 transitions. [2023-12-02 22:00:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 22:00:31,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:31,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:00:31,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:00:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 1036 states and 3252 transitions. [2023-12-02 22:00:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 3252 transitions. [2023-12-02 22:00:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 22:00:55,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:55,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:00:55,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 22:01:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 1040 states and 3256 transitions. [2023-12-02 22:01:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 3256 transitions. [2023-12-02 22:01:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:01:03,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:04,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:04,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 22:01:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1044 states and 3266 transitions. [2023-12-02 22:01:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3266 transitions. [2023-12-02 22:01:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:01:23,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:23,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:23,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.