./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC --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 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:37,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:37,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:37,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:37,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:37,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:37,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:37,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:37,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:37,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:37,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:37,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:37,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:37,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:37,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:37,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:37,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:37,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:37,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:37,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:37,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:37,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:37,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:37,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:37,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:37,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:37,738 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:37,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:37,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:37,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:37,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:37,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:37,742 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:37,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:37,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:37,742 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_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 [2023-11-23 20:06:38,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:38,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:38,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:38,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:38,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:38,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2023-11-23 20:06:41,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:41,462 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:41,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2023-11-23 20:06:41,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/data/ee5094684/b35b6d004140410799ef6e162f846d2e/FLAG63efc3437 [2023-11-23 20:06:41,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/data/ee5094684/b35b6d004140410799ef6e162f846d2e [2023-11-23 20:06:41,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:41,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:41,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:41,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:41,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:41,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1476bf85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41, skipping insertion in model container [2023-11-23 20:06:41,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:41,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:41,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:41,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:41,728 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:41,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41 WrapperNode [2023-11-23 20:06:41,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:41,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:41,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:41,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:41,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,765 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-23 20:06:41,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:41,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:41,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:41,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:41,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:41,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:41,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:41,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:41,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:41,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:41,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:41,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341cf527-04b8-4885-9bc4-acec3ba5aec1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:06:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:06:41,977 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:41,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:42,206 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:42,236 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:42,236 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:06:42,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:42 BoogieIcfgContainer [2023-11-23 20:06:42,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:42,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:42,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:42,256 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:42,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:42" (1/1) ... [2023-11-23 20:06:42,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 20:06:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 20:06:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:06:42,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:06:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:06:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:06:42,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:42,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-23 20:06:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:06:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:06:42,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:42,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:42,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:42,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:06:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:06:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:06:43,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-23 20:06:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-23 20:06:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:43,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 37 transitions. [2023-11-23 20:06:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:06:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:44,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:44,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:44,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 49 transitions. [2023-11-23 20:06:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:06:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:44,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:44,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:44,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:06:44,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 61 transitions. [2023-11-23 20:06:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-23 20:06:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:06:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:45,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:45,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 73 transitions. [2023-11-23 20:06:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-23 20:06:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:06:45,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:45,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:06:45,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 85 transitions. [2023-11-23 20:06:46,452 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-23 20:06:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:06:46,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 98 transitions. [2023-11-23 20:06:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-23 20:06:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:06:48,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:48,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:06:48,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 110 transitions. [2023-11-23 20:06:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-23 20:06:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:06:49,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:49,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:06:49,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 24 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 85 states and 122 transitions. [2023-11-23 20:06:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-11-23 20:06:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:06:49,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:49,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:50,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:06:50,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 134 transitions. [2023-11-23 20:06:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-23 20:06:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:06:50,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:50,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:50,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:06:50,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 146 transitions. [2023-11-23 20:06:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2023-11-23 20:06:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:06:52,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:52,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:53,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:06:53,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 109 states and 158 transitions. [2023-11-23 20:06:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2023-11-23 20:06:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:06:54,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:54,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:06:54,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 117 states and 170 transitions. [2023-11-23 20:06:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-11-23 20:06:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 20:06:55,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:55,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:06:55,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 182 transitions. [2023-11-23 20:06:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 182 transitions. [2023-11-23 20:06:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:06:56,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:56,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 20:06:56,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 194 transitions. [2023-11-23 20:06:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2023-11-23 20:06:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 20:06:57,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:58,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 20:06:58,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 206 transitions. [2023-11-23 20:06:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2023-11-23 20:06:59,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 20:06:59,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:59,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 20:06:59,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 48 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 149 states and 219 transitions. [2023-11-23 20:07:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-11-23 20:07:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 20:07:02,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:02,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 20:07:02,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 157 states and 231 transitions. [2023-11-23 20:07:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2023-11-23 20:07:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:07:04,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:04,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:04,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 20:07:04,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 165 states and 244 transitions. [2023-11-23 20:07:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2023-11-23 20:07:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-23 20:07:06,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:06,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:06,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 20:07:06,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 173 states and 256 transitions. [2023-11-23 20:07:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 256 transitions. [2023-11-23 20:07:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 20:07:07,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:07,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:07,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-23 20:07:07,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 181 states and 268 transitions. [2023-11-23 20:07:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2023-11-23 20:07:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:07:09,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:09,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-23 20:07:09,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 63 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 189 states and 280 transitions. [2023-11-23 20:07:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 280 transitions. [2023-11-23 20:07:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:07:10,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:10,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-23 20:07:10,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 66 proven. 1848 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 197 states and 292 transitions. [2023-11-23 20:07:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 292 transitions. [2023-11-23 20:07:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 20:07:12,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:12,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-23 20:07:12,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 2093 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 205 states and 304 transitions. [2023-11-23 20:07:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 304 transitions. [2023-11-23 20:07:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 20:07:16,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:16,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:16,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:07:16,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 213 states and 316 transitions. [2023-11-23 20:07:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 316 transitions. [2023-11-23 20:07:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 20:07:18,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:18,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-23 20:07:18,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 75 proven. 2400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 221 states and 329 transitions. [2023-11-23 20:07:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2023-11-23 20:07:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-23 20:07:20,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:20,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 20:07:20,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2678 backedges. 0 proven. 2678 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 229 states and 341 transitions. [2023-11-23 20:07:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2023-11-23 20:07:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 20:07:23,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 20:07:23,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2889 backedges. 0 proven. 2889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 237 states and 353 transitions. [2023-11-23 20:07:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 353 transitions. [2023-11-23 20:07:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-23 20:07:25,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:25,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:25,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-23 20:07:25,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 84 proven. 3024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 245 states and 366 transitions. [2023-11-23 20:07:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 366 transitions. [2023-11-23 20:07:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-23 20:07:28,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-23 20:07:28,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 87 proven. 3248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.