./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/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_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/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_a6e78ca4-c3f1-406d-8bce-f58657962a04/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 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:42,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:42,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:42,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:42,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:42,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:42,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:42,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:42,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:42,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:42,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:42,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:42,912 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:42,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:42,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:42,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:42,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:42,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:42,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:42,917 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:42,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:42,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:42,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:42,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:42,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:42,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:42,921 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:42,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:42,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:42,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:42,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:42,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:42,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:42,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:42,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:42,925 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_a6e78ca4-c3f1-406d-8bce-f58657962a04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2023-11-21 18:45:43,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:43,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:43,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:43,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:43,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:43,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-11-21 18:45:46,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:46,499 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:46,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-11-21 18:45:46,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/data/dedf4e27a/605e8f70f3824e3ca3c5020641db69de/FLAGef3a6a4db [2023-11-21 18:45:46,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/data/dedf4e27a/605e8f70f3824e3ca3c5020641db69de [2023-11-21 18:45:46,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:46,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:46,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:46,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:46,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:46,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8c55b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46, skipping insertion in model container [2023-11-21 18:45:46,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:46,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:46,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:46,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:46,832 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:46,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46 WrapperNode [2023-11-21 18:45:46,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:46,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:46,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:46,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:46,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,882 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-21 18:45:46,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:46,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:46,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:46,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:46,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:46,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:46,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:46,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:46,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:46,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:46,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:46,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e78ca4-c3f1-406d-8bce-f58657962a04/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:45:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:45:47,058 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:47,061 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:47,401 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:47,453 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:47,458 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:45:47,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:47 BoogieIcfgContainer [2023-11-21 18:45:47,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:47,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:47,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:47,474 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:47,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:47" (1/1) ... [2023-11-21 18:45:47,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-21 18:45:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-21 18:45:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:45:47,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:47,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:45:47,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:45:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-21 18:45:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-21 18:45:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:47,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:47,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:45:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-21 18:45:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-21 18:45:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:45:47,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:48,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:45:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:45:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:45:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:45:48,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:48,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 95 transitions. [2023-11-21 18:45:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-21 18:45:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:45:48,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:48,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 105 transitions. [2023-11-21 18:45:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:45:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:45:48,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:48,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 113 transitions. [2023-11-21 18:45:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-21 18:45:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:45:49,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:49,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 114 transitions. [2023-11-21 18:45:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-21 18:45:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:45:49,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:49,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 125 transitions. [2023-11-21 18:45:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-21 18:45:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:45:49,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:49,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 138 transitions. [2023-11-21 18:45:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-21 18:45:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:45:50,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:50,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 149 transitions. [2023-11-21 18:45:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2023-11-21 18:45:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:45:51,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:45:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 158 transitions. [2023-11-21 18:45:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-21 18:45:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:45:51,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:51,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:45:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 171 transitions. [2023-11-21 18:45:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-21 18:45:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:45:52,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:45:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 185 transitions. [2023-11-21 18:45:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-21 18:45:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:45:53,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:45:53,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:45:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 199 transitions. [2023-11-21 18:45:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-21 18:45:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:45:55,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:55,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:45:55,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:45:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 212 transitions. [2023-11-21 18:45:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-21 18:45:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:45:57,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:57,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:45:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 222 transitions. [2023-11-21 18:45:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-21 18:45:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:45:57,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:45:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 238 transitions. [2023-11-21 18:45:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2023-11-21 18:45:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:45:59,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:45:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 239 transitions. [2023-11-21 18:45:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-21 18:45:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:45:59,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:45:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 251 transitions. [2023-11-21 18:45:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2023-11-21 18:45:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:45:59,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:59,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:59,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:46:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 173 states and 261 transitions. [2023-11-21 18:46:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-21 18:46:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:46:00,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:00,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:00,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:00,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:46:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 182 states and 273 transitions. [2023-11-21 18:46:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-21 18:46:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:01,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:01,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:46:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 191 states and 285 transitions. [2023-11-21 18:46:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2023-11-21 18:46:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:02,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:02,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 202 states and 312 transitions. [2023-11-21 18:46:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-21 18:46:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:04,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:04,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 203 states and 313 transitions. [2023-11-21 18:46:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 313 transitions. [2023-11-21 18:46:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:04,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:04,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 207 states and 322 transitions. [2023-11-21 18:46:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2023-11-21 18:46:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:05,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:05,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 207 states and 321 transitions. [2023-11-21 18:46:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2023-11-21 18:46:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:07,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:07,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:07,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:07,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 213 states and 335 transitions. [2023-11-21 18:46:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 335 transitions. [2023-11-21 18:46:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:08,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:08,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 215 states and 340 transitions. [2023-11-21 18:46:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2023-11-21 18:46:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:08,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:08,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:46:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 219 states and 348 transitions. [2023-11-21 18:46:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 348 transitions. [2023-11-21 18:46:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:46:09,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:09,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:46:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 221 states and 351 transitions. [2023-11-21 18:46:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2023-11-21 18:46:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:46:11,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:11,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:11,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:11,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:46:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 227 states and 364 transitions. [2023-11-21 18:46:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 364 transitions. [2023-11-21 18:46:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:46:15,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:15,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:15,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:46:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 232 states and 377 transitions. [2023-11-21 18:46:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 377 transitions. [2023-11-21 18:46:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:46:17,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:17,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:17,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:46:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 402 transitions. [2023-11-21 18:46:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 402 transitions. [2023-11-21 18:46:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:46:20,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:20,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:46:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 257 states and 421 transitions. [2023-11-21 18:46:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 421 transitions. [2023-11-21 18:46:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:46:23,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:23,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:23,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:46:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 270 states and 442 transitions. [2023-11-21 18:46:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 442 transitions. [2023-11-21 18:46:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:46:26,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:26,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:26,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:46:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 278 states and 451 transitions. [2023-11-21 18:46:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2023-11-21 18:46:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:46:27,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:27,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:46:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 292 states and 474 transitions. [2023-11-21 18:46:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 474 transitions. [2023-11-21 18:46:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:46:30,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:30,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:30,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-21 18:46:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 301 states and 486 transitions. [2023-11-21 18:46:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 486 transitions. [2023-11-21 18:46:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:46:32,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:46:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 312 states and 516 transitions. [2023-11-21 18:46:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 516 transitions. [2023-11-21 18:46:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:46:34,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:46:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 316 states and 526 transitions. [2023-11-21 18:46:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 526 transitions. [2023-11-21 18:46:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:46:35,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-21 18:46:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 315 states and 525 transitions. [2023-11-21 18:46:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 525 transitions. [2023-11-21 18:46:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:46:35,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.