./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.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_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/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_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/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_7269e455-2117-443d-aecd-758e40f317b8/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 8cecbb1437ef2a2416e9d468bf4de8fbbd7da1f76f2f86e847aa165ffb35626c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:23,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:23,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:23,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:23,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:23,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:23,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:23,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:23,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:23,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:23,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:23,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:23,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:23,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:23,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:23,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:23,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:23,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:23,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:23,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:23,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:23,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:23,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:23,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:23,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:23,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:23,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:23,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:23,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:23,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:23,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:23,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:23,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:23,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:23,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:23,681 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_7269e455-2117-443d-aecd-758e40f317b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cecbb1437ef2a2416e9d468bf4de8fbbd7da1f76f2f86e847aa165ffb35626c [2023-11-21 18:40:23,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:23,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:23,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:24,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:24,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:24,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c [2023-11-21 18:40:27,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:27,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:27,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound1.c [2023-11-21 18:40:27,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/data/7f7609ff5/4bd36d06f2b2428391829ff131333493/FLAGf7cd13b23 [2023-11-21 18:40:27,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/data/7f7609ff5/4bd36d06f2b2428391829ff131333493 [2023-11-21 18:40:27,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:27,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:27,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:27,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:27,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:27,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194dcd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27, skipping insertion in model container [2023-11-21 18:40:27,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:27,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:27,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:27,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:27,731 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:27,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27 WrapperNode [2023-11-21 18:40:27,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:27,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:27,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:27,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:27,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,774 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-21 18:40:27,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:27,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:27,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:27,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:27,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:27,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:27,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:27,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:27,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:27" (1/1) ... [2023-11-21 18:40:27,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:27,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:27,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7269e455-2117-443d-aecd-758e40f317b8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:27,977 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:27,979 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:28,198 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:28,249 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:28,252 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:28,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:28 BoogieIcfgContainer [2023-11-21 18:40:28,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:28,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:28,256 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:28,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:28,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:28" (1/1) ... [2023-11-21 18:40:28,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-21 18:40:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-21 18:40:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:28,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-21 18:40:28,625 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-21 18:40:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:28,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-21 18:40:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-21 18:40:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:28,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-21 18:40:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-21 18:40:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:28,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2023-11-21 18:40:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-21 18:40:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:29,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 58 states and 64 transitions. [2023-11-21 18:40:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2023-11-21 18:40:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:29,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2023-11-21 18:40:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2023-11-21 18:40:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:30,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-21 18:40:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-21 18:40:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:31,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:31,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:31,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 97 transitions. [2023-11-21 18:40:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2023-11-21 18:40:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:33,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2023-11-21 18:40:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-21 18:40:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:35,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 98 states and 129 transitions. [2023-11-21 18:40:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2023-11-21 18:40:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:37,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2023-11-21 18:40:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2023-11-21 18:40:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:38,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 103 states and 137 transitions. [2023-11-21 18:40:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2023-11-21 18:40:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:38,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 156 transitions. [2023-11-21 18:40:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2023-11-21 18:40:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:40,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:40,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:40,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 119 states and 170 transitions. [2023-11-21 18:40:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2023-11-21 18:40:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:42,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 128 states and 189 transitions. [2023-11-21 18:40:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 189 transitions. [2023-11-21 18:40:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:44,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:44,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:44,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 135 states and 203 transitions. [2023-11-21 18:40:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 203 transitions. [2023-11-21 18:40:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:46,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 223 transitions. [2023-11-21 18:40:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 223 transitions. [2023-11-21 18:40:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:50,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 147 states and 227 transitions. [2023-11-21 18:40:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 227 transitions. [2023-11-21 18:40:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:51,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 158 states and 256 transitions. [2023-11-21 18:40:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 256 transitions. [2023-11-21 18:40:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:54,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 265 transitions. [2023-11-21 18:40:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-21 18:40:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:56,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 165 states and 270 transitions. [2023-11-21 18:40:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-21 18:40:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:57,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 177 states and 315 transitions. [2023-11-21 18:41:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 315 transitions. [2023-11-21 18:41:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:01,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:01,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 179 states and 318 transitions. [2023-11-21 18:41:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 318 transitions. [2023-11-21 18:41:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:01,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:01,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 192 states and 358 transitions. [2023-11-21 18:41:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 358 transitions. [2023-11-21 18:41:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:05,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:05,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:05,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:05,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 196 states and 368 transitions. [2023-11-21 18:41:06,852 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 368 transitions. [2023-11-21 18:41:06,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:06,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 197 states and 373 transitions. [2023-11-21 18:41:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 373 transitions. [2023-11-21 18:41:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:07,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 214 states and 415 transitions. [2023-11-21 18:41:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 415 transitions. [2023-11-21 18:41:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:11,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:11,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:11,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:11,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 223 states and 433 transitions. [2023-11-21 18:41:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2023-11-21 18:41:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:14,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:14,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:14,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:14,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 231 states and 449 transitions. [2023-11-21 18:41:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 449 transitions. [2023-11-21 18:41:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:17,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 235 states and 456 transitions. [2023-11-21 18:41:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 456 transitions. [2023-11-21 18:41:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:19,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 239 states and 464 transitions. [2023-11-21 18:41:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 464 transitions. [2023-11-21 18:41:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:20,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.