./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:14,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:14,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:14,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:14,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:14,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:14,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:14,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:14,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:14,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:14,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:14,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:14,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:14,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:14,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:14,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:14,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:14,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:14,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:14,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:14,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:14,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:14,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:14,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:14,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:14,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:14,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:14,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:14,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:14,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:14,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:14,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:14,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:14,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:14,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:14,896 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_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2023-11-21 18:39:15,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:15,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:15,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:15,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:15,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:15,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2023-11-21 18:39:18,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:18,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:18,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2023-11-21 18:39:18,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/data/fae6c789c/55b450f0fab24d86aac981db6179c27d/FLAG982144a7a [2023-11-21 18:39:18,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/data/fae6c789c/55b450f0fab24d86aac981db6179c27d [2023-11-21 18:39:18,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:18,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:18,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:18,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:18,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:18,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279d6502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18, skipping insertion in model container [2023-11-21 18:39:18,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:18,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:18,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:18,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:18,917 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:18,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18 WrapperNode [2023-11-21 18:39:18,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:18,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:18,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:18,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:18,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,954 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-21 18:39:18,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:18,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:18,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:18,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:18,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:18,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:18,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:18,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:18,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:18" (1/1) ... [2023-11-21 18:39:18,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:19,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79c0875-4fbf-4611-a606-8d89a5014d0e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:19,118 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:19,121 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:19,328 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:19,357 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:19,357 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:19,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:19 BoogieIcfgContainer [2023-11-21 18:39:19,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:19,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:19,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:19,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:19,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:19" (1/1) ... [2023-11-21 18:39:19,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-21 18:39:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-21 18:39:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:19,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2023-11-21 18:39:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-21 18:39:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:19,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2023-11-21 18:39:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-21 18:39:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:19,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:19,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2023-11-21 18:39:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-21 18:39:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:20,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2023-11-21 18:39:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-21 18:39:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:20,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-11-21 18:39:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-21 18:39:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:39:20,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:20,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-11-21 18:39:21,062 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-21 18:39:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:39:21,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:21,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:22,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2023-11-21 18:39:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-21 18:39:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:39:22,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:22,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:22,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:22,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2023-11-21 18:39:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2023-11-21 18:39:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:39:24,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:24,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:24,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:24,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 97 states and 137 transitions. [2023-11-21 18:39:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2023-11-21 18:39:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:26,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:26,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:26,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2023-11-21 18:39:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2023-11-21 18:39:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:26,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:26,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:26,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:26,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 108 states and 156 transitions. [2023-11-21 18:39:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2023-11-21 18:39:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:28,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:28,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:28,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-21 18:39:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-21 18:39:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:29,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:29,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:29,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:29,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-21 18:39:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-21 18:39:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:32,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:32,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2023-11-21 18:39:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-21 18:39:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:39:34,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:34,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:34,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 140 states and 226 transitions. [2023-11-21 18:39:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2023-11-21 18:39:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:36,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 146 states and 236 transitions. [2023-11-21 18:39:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 236 transitions. [2023-11-21 18:39:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:38,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:38,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 153 states and 252 transitions. [2023-11-21 18:39:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 252 transitions. [2023-11-21 18:39:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:41,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:41,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 154 states and 253 transitions. [2023-11-21 18:39:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 253 transitions. [2023-11-21 18:39:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:42,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:42,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2023-11-21 18:39:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-21 18:39:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:46,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 164 states and 275 transitions. [2023-11-21 18:39:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 275 transitions. [2023-11-21 18:39:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:47,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:47,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:47,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 173 states and 294 transitions. [2023-11-21 18:39:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 294 transitions. [2023-11-21 18:39:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:50,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:50,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:50,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:50,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 179 states and 310 transitions. [2023-11-21 18:39:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 310 transitions. [2023-11-21 18:39:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:54,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:54,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:54,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 182 states and 315 transitions. [2023-11-21 18:39:56,736 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 315 transitions. [2023-11-21 18:39:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:56,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:56,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:56,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:56,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 184 states and 318 transitions. [2023-11-21 18:39:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 318 transitions. [2023-11-21 18:39:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:39:57,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:57,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 194 states and 342 transitions. [2023-11-21 18:40:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 342 transitions. [2023-11-21 18:40:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:00,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:00,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:00,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 203 states and 363 transitions. [2023-11-21 18:40:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 363 transitions. [2023-11-21 18:40:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:08,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:08,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:08,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 204 states and 364 transitions. [2023-11-21 18:40:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2023-11-21 18:40:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:09,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:09,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:09,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:09,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 205 states and 364 transitions. [2023-11-21 18:40:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 364 transitions. [2023-11-21 18:40:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:11,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:11,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:11,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.