./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi --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 e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:30,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:30,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:08:30,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:30,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:30,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:30,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:30,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:30,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:30,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:30,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:30,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:30,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:30,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:30,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:30,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:30,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:30,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:30,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:30,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:30,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:30,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:30,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:30,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:30,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:30,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:30,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:30,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:30,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:30,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:30,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:30,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:30,843 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:30,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:30,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:30,844 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_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2023-11-24 23:08:31,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:31,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:31,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:31,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:31,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:31,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2023-11-24 23:08:34,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:34,896 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:34,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2023-11-24 23:08:34,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/data/837f40150/f3e8ac3bd1444412bf2c741786f03a88/FLAG30294c767 [2023-11-24 23:08:34,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/data/837f40150/f3e8ac3bd1444412bf2c741786f03a88 [2023-11-24 23:08:34,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:34,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:34,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:34,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:34,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:34,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6648405d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34, skipping insertion in model container [2023-11-24 23:08:34,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:35,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:35,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:35,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:35,199 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:35,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35 WrapperNode [2023-11-24 23:08:35,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:35,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:35,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:35,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:35,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,243 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-24 23:08:35,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:35,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:35,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:35,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:35,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:35,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:35,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:35,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:35,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:35,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:35,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:35,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8adf200e-d606-40c1-8c07-c3b842b3e711/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:08:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:08:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:08:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:08:35,474 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:35,478 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:35,896 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:35,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:35,942 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:08:35,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:35 BoogieIcfgContainer [2023-11-24 23:08:35,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:35,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:35,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:35,957 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:35,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-24 23:08:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-24 23:08:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:36,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:08:36,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-24 23:08:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-24 23:08:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:36,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:08:36,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-24 23:08:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-24 23:08:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:36,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:36,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-24 23:08:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-24 23:08:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:37,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:37,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:37,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 83 transitions. [2023-11-24 23:08:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2023-11-24 23:08:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:37,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:37,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:08:37,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 88 transitions. [2023-11-24 23:08:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2023-11-24 23:08:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:08:38,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:38,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:38,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:38,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 90 transitions. [2023-11-24 23:08:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-11-24 23:08:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:08:38,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:38,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:38,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 99 transitions. [2023-11-24 23:08:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-11-24 23:08:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:38,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:38,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:39,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:39,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 110 transitions. [2023-11-24 23:08:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2023-11-24 23:08:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:39,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:39,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:08:39,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 106 states and 123 transitions. [2023-11-24 23:08:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2023-11-24 23:08:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:08:42,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:42,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:08:42,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 115 states and 138 transitions. [2023-11-24 23:08:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 138 transitions. [2023-11-24 23:08:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:08:47,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:47,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:08:47,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 121 states and 145 transitions. [2023-11-24 23:08:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 145 transitions. [2023-11-24 23:08:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:08:50,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:50,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:50,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:08:50,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:08:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 132 states and 159 transitions. [2023-11-24 23:08:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 159 transitions. [2023-11-24 23:08:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:08:52,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:52,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 135 states and 164 transitions. [2023-11-24 23:08:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions. [2023-11-24 23:08:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:08:52,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:52,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 149 states and 186 transitions. [2023-11-24 23:08:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2023-11-24 23:08:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:08:55,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:55,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 153 states and 193 transitions. [2023-11-24 23:08:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 193 transitions. [2023-11-24 23:08:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:08:55,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:55,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 168 states and 217 transitions. [2023-11-24 23:08:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 217 transitions. [2023-11-24 23:08:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:08:59,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 173 states and 226 transitions. [2023-11-24 23:09:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2023-11-24 23:09:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:00,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 176 states and 230 transitions. [2023-11-24 23:09:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 230 transitions. [2023-11-24 23:09:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:09:01,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:01,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 182 states and 240 transitions. [2023-11-24 23:09:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2023-11-24 23:09:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:09:04,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:04,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:04,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 186 states and 245 transitions. [2023-11-24 23:09:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2023-11-24 23:09:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:04,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:05,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:05,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 193 states and 256 transitions. [2023-11-24 23:09:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2023-11-24 23:09:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:08,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:08,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:08,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 200 states and 270 transitions. [2023-11-24 23:09:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 270 transitions. [2023-11-24 23:09:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:09:12,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:12,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 208 states and 283 transitions. [2023-11-24 23:09:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 283 transitions. [2023-11-24 23:09:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:09:16,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 216 states and 296 transitions. [2023-11-24 23:09:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 296 transitions. [2023-11-24 23:09:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:09:19,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:19,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:19,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 223 states and 306 transitions. [2023-11-24 23:09:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 306 transitions. [2023-11-24 23:09:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:09:24,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:24,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:25,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:25,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 234 states and 325 transitions. [2023-11-24 23:09:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 325 transitions. [2023-11-24 23:09:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:09:28,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:28,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:28,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:28,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.