./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL --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 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:49,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:49,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:15:49,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:49,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:49,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:49,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:49,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:49,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:49,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:49,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:49,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:49,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:49,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:49,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:49,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:49,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:49,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:49,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:49,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:49,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:49,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:49,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:49,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:49,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:49,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:49,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:49,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:49,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:49,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:49,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:49,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:49,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:49,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:49,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:49,677 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_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 [2023-11-19 03:15:49,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:49,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:49,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:49,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:49,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:49,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-19 03:15:53,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:53,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:53,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-19 03:15:53,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/data/e45efcfcf/d35f2f05ca0b4ea69c25431a56fab2aa/FLAGc9195d334 [2023-11-19 03:15:53,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/data/e45efcfcf/d35f2f05ca0b4ea69c25431a56fab2aa [2023-11-19 03:15:53,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:53,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:53,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:53,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:53,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:53,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650949b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53, skipping insertion in model container [2023-11-19 03:15:53,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:53,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:53,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:53,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:53,816 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:53,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53 WrapperNode [2023-11-19 03:15:53,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:53,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:53,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:53,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:53,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,863 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-19 03:15:53,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:53,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:53,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:53,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:53,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:53,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:53,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:53,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:53,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:53" (1/1) ... [2023-11-19 03:15:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:53,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0b065b-77e0-48a1-b339-2940735e3285/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:54,062 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:54,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:54,254 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:54,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:54,321 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:15:54,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:54 BoogieIcfgContainer [2023-11-19 03:15:54,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:54,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:54,327 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:54,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:54,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 03:15:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 03:15:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:15:54,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-19 03:15:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-19 03:15:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:54,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-19 03:15:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-19 03:15:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:15:54,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2023-11-19 03:15:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2023-11-19 03:15:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:15:54,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:55,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2023-11-19 03:15:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2023-11-19 03:15:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:15:55,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:55,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 03:15:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:15:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:15:55,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:55,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2023-11-19 03:15:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2023-11-19 03:15:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:56,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:56,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2023-11-19 03:15:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2023-11-19 03:15:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:56,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:56,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2023-11-19 03:15:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2023-11-19 03:15:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:56,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:56,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2023-11-19 03:15:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2023-11-19 03:15:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:15:57,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 136 transitions. [2023-11-19 03:15:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 136 transitions. [2023-11-19 03:15:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:15:57,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 77 states and 138 transitions. [2023-11-19 03:15:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 138 transitions. [2023-11-19 03:15:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:15:58,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:58,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 161 transitions. [2023-11-19 03:15:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2023-11-19 03:15:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:15:59,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 89 states and 164 transitions. [2023-11-19 03:15:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 164 transitions. [2023-11-19 03:15:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:15:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 99 states and 186 transitions. [2023-11-19 03:16:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 186 transitions. [2023-11-19 03:16:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:00,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:16:00,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:16:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 108 states and 210 transitions. [2023-11-19 03:16:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2023-11-19 03:16:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:16:01,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:01,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:01,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:01,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 208 transitions. [2023-11-19 03:16:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 208 transitions. [2023-11-19 03:16:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:16:01,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:01,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:01,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:16:01,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 108 states and 207 transitions. [2023-11-19 03:16:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 207 transitions. [2023-11-19 03:16:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:16:02,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:02,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:02,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 108 states and 206 transitions. [2023-11-19 03:16:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 206 transitions. [2023-11-19 03:16:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:16:03,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 118 states and 234 transitions. [2023-11-19 03:16:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 234 transitions. [2023-11-19 03:16:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:03,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 258 transitions. [2023-11-19 03:16:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 258 transitions. [2023-11-19 03:16:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:16:04,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:04,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:16:04,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 282 transitions. [2023-11-19 03:16:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 282 transitions. [2023-11-19 03:16:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:16:05,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:06,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 137 states and 273 transitions. [2023-11-19 03:16:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2023-11-19 03:16:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:06,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:06,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:16:06,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 141 states and 275 transitions. [2023-11-19 03:16:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2023-11-19 03:16:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:07,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:07,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:07,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 141 states and 274 transitions. [2023-11-19 03:16:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 274 transitions. [2023-11-19 03:16:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:16:08,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:08,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:16:08,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:16:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 150 states and 298 transitions. [2023-11-19 03:16:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 298 transitions. [2023-11-19 03:16:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:16:08,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 160 states and 329 transitions. [2023-11-19 03:16:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 329 transitions. [2023-11-19 03:16:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:16:09,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 160 states and 322 transitions. [2023-11-19 03:16:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 322 transitions. [2023-11-19 03:16:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:16:10,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 160 states and 320 transitions. [2023-11-19 03:16:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 320 transitions. [2023-11-19 03:16:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:16:11,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:16:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 169 states and 344 transitions. [2023-11-19 03:16:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 344 transitions. [2023-11-19 03:16:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:16:12,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 179 states and 376 transitions. [2023-11-19 03:16:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 376 transitions. [2023-11-19 03:16:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:16:13,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 188 states and 400 transitions. [2023-11-19 03:16:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 400 transitions. [2023-11-19 03:16:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:16:14,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 188 states and 398 transitions. [2023-11-19 03:16:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 398 transitions. [2023-11-19 03:16:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:16:15,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:16:15,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 192 states and 400 transitions. [2023-11-19 03:16:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 400 transitions. [2023-11-19 03:16:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:16:17,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:16:17,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 18 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 195 states and 403 transitions. [2023-11-19 03:16:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 403 transitions. [2023-11-19 03:16:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:16:17,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:16:18,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:19,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 205 states and 435 transitions. [2023-11-19 03:16:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 435 transitions. [2023-11-19 03:16:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 03:16:19,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:16:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 214 states and 459 transitions. [2023-11-19 03:16:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 459 transitions. [2023-11-19 03:16:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:16:20,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:20,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:16:20,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 214 states and 444 transitions. [2023-11-19 03:16:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 444 transitions. [2023-11-19 03:16:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 03:16:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:22,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:16:22,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 18 proven. 528 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 218 states and 446 transitions. [2023-11-19 03:16:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 446 transitions. [2023-11-19 03:16:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 03:16:23,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:23,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:16:23,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 21 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 221 states and 449 transitions. [2023-11-19 03:16:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 449 transitions. [2023-11-19 03:16:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 03:16:23,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:24,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:16:24,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 222 states and 461 transitions. [2023-11-19 03:16:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 461 transitions. [2023-11-19 03:16:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 03:16:25,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:25,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:16:25,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 231 states and 482 transitions. [2023-11-19 03:16:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 482 transitions. [2023-11-19 03:16:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 03:16:26,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:26,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:26,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:16:26,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:16:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 240 states and 506 transitions. [2023-11-19 03:16:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 506 transitions. [2023-11-19 03:16:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 03:16:27,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:27,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:16:27,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:16:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 240 states and 504 transitions. [2023-11-19 03:16:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 504 transitions. [2023-11-19 03:16:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:16:29,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:29,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:16:29,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:16:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 240 states and 500 transitions. [2023-11-19 03:16:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 500 transitions. [2023-11-19 03:16:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:16:30,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:16:30,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:16:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 250 states and 537 transitions. [2023-11-19 03:16:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 537 transitions. [2023-11-19 03:16:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 03:16:31,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:31,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:16:31,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 259 states and 561 transitions. [2023-11-19 03:16:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 561 transitions. [2023-11-19 03:16:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 03:16:33,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:33,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:16:33,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 03:16:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 259 states and 542 transitions. [2023-11-19 03:16:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 542 transitions. [2023-11-19 03:16:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 03:16:35,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:35,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:16:35,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 03:16:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 259 states and 538 transitions. [2023-11-19 03:16:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 538 transitions. [2023-11-19 03:16:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 03:16:36,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:36,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:16:36,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 825 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 263 states and 542 transitions. [2023-11-19 03:16:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 542 transitions. [2023-11-19 03:16:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 03:16:39,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 03:16:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 273 states and 580 transitions. [2023-11-19 03:16:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 580 transitions. [2023-11-19 03:16:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 03:16:40,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:40,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:16:40,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:16:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 273 states and 568 transitions. [2023-11-19 03:16:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 568 transitions. [2023-11-19 03:16:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 03:16:42,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:42,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:16:43,021 INFO L285 TraceCheckSpWp]: Computing forward predicates...