./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.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_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/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_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/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_ae35e601-9bdb-4312-95e6-fd929e68e0cf/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 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:16,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:16,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:16,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:16,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:16,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:16,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:16,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:16,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:16,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:16,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:16,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:16,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:16,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:16,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:16,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:16,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:16,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:16,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:16,369 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:16,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:16,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:16,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:16,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:16,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:16,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:16,375 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:16,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:16,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:16,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:16,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:16,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:16,379 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:16,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:16,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:16,380 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_ae35e601-9bdb-4312-95e6-fd929e68e0cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e [2023-11-21 18:41:16,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:16,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:16,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:16,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:16,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:16,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2023-11-21 18:41:20,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:20,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:20,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2023-11-21 18:41:20,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/data/7f7c5f6c3/36fb59c3bc03420db483656a771473b1/FLAGb0826477d [2023-11-21 18:41:20,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/data/7f7c5f6c3/36fb59c3bc03420db483656a771473b1 [2023-11-21 18:41:20,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:20,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:20,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:20,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:20,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:20,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20, skipping insertion in model container [2023-11-21 18:41:20,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:20,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:20,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:20,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:20,593 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:20,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20 WrapperNode [2023-11-21 18:41:20,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:20,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:20,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:20,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:20,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,660 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:41:20,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:20,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:20,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:20,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:20,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:20,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:20,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:20,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:20,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:20,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:20,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:20,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae35e601-9bdb-4312-95e6-fd929e68e0cf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:20,854 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:20,856 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:21,270 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:21,337 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:21,337 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:41:21,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:21 BoogieIcfgContainer [2023-11-21 18:41:21,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:21,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:21,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:21,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:21,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 102 states and 105 transitions. [2023-11-21 18:41:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2023-11-21 18:41:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:41:21,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,674 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 18:41:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 104 states and 107 transitions. [2023-11-21 18:41:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2023-11-21 18:41:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:21,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,768 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 18:41:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 105 states and 108 transitions. [2023-11-21 18:41:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2023-11-21 18:41:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:41:21,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,836 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 18:41:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2023-11-21 18:41:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2023-11-21 18:41:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:41:21,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,030 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 18:41:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 111 states and 117 transitions. [2023-11-21 18:41:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2023-11-21 18:41:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:22,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,121 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 18:41:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 112 states and 118 transitions. [2023-11-21 18:41:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2023-11-21 18:41:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:22,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,193 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 18:41:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 128 transitions. [2023-11-21 18:41:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2023-11-21 18:41:22,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:22,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,508 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 18:41:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 120 states and 129 transitions. [2023-11-21 18:41:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2023-11-21 18:41:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:22,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,537 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 18:41:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 128 transitions. [2023-11-21 18:41:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2023-11-21 18:41:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:22,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,600 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 18:41:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2023-11-21 18:41:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2023-11-21 18:41:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:22,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,667 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 18:41:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2023-11-21 18:41:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2023-11-21 18:41:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:22,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,756 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 18:41:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 123 states and 132 transitions. [2023-11-21 18:41:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2023-11-21 18:41:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:22,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,921 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 18:41:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2023-11-21 18:41:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2023-11-21 18:41:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:23,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,298 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 18:41:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2023-11-21 18:41:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2023-11-21 18:41:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:23,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,658 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 18:41:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-21 18:41:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-21 18:41:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:23,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,791 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 18:41:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 141 states and 155 transitions. [2023-11-21 18:41:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-21 18:41:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:23,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,902 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 18:41:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 140 states and 154 transitions. [2023-11-21 18:41:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2023-11-21 18:41:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:23,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,984 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 18:41:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 143 states and 157 transitions. [2023-11-21 18:41:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2023-11-21 18:41:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:24,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:24,162 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 18:41:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 149 states and 163 transitions. [2023-11-21 18:41:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-21 18:41:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:24,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:24,397 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 18:41:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 155 states and 170 transitions. [2023-11-21 18:41:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2023-11-21 18:41:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:24,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:24,652 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 18:41:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 156 states and 172 transitions. [2023-11-21 18:41:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 172 transitions. [2023-11-21 18:41:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:24,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,016 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 18:41:25,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 158 states and 176 transitions. [2023-11-21 18:41:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-21 18:41:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:25,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:25,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,440 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 18:41:25,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 161 states and 182 transitions. [2023-11-21 18:41:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 182 transitions. [2023-11-21 18:41:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:25,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:25,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,777 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 18:41:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 186 states and 216 transitions. [2023-11-21 18:41:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 216 transitions. [2023-11-21 18:41:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:41:26,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:26,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:26,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:27,030 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 18:41:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 191 states and 226 transitions. [2023-11-21 18:41:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2023-11-21 18:41:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:41:27,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:27,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:27,700 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 18:41:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 217 states and 262 transitions. [2023-11-21 18:41:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 262 transitions. [2023-11-21 18:41:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:29,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:29,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:29,285 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 18:41:29,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 220 states and 268 transitions. [2023-11-21 18:41:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 268 transitions. [2023-11-21 18:41:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:29,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:29,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:30,036 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 18:41:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 223 states and 275 transitions. [2023-11-21 18:41:30,425 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 275 transitions. [2023-11-21 18:41:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:30,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:30,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 227 states and 282 transitions. [2023-11-21 18:41:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 282 transitions. [2023-11-21 18:41:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:31,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:31,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:31,586 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 18:41:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 231 states and 290 transitions. [2023-11-21 18:41:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 290 transitions. [2023-11-21 18:41:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:32,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,037 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 18:41:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 230 states and 289 transitions. [2023-11-21 18:41:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 289 transitions. [2023-11-21 18:41:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:32,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,098 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 18:41:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 229 states and 288 transitions. [2023-11-21 18:41:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 288 transitions. [2023-11-21 18:41:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:41:32,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,248 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 18:41:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 235 states and 297 transitions. [2023-11-21 18:41:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 297 transitions. [2023-11-21 18:41:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:41:33,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:33,671 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 18:41:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 244 states and 312 transitions. [2023-11-21 18:41:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 312 transitions. [2023-11-21 18:41:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:34,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:34,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:34,818 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 18:41:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 251 states and 323 transitions. [2023-11-21 18:41:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 323 transitions. [2023-11-21 18:41:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:35,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:35,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:35,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:35,793 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 18:41:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 263 states and 340 transitions. [2023-11-21 18:41:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 340 transitions. [2023-11-21 18:41:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:36,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:36,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:36,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:36,916 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 18:41:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 271 states and 352 transitions. [2023-11-21 18:41:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 352 transitions. [2023-11-21 18:41:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:37,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:38,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:38,198 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 18:41:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 283 states and 372 transitions. [2023-11-21 18:41:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 372 transitions. [2023-11-21 18:41:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:41:39,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:39,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:39,554 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 18:41:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 292 states and 384 transitions. [2023-11-21 18:41:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 384 transitions. [2023-11-21 18:41:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:40,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:40,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:41,000 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 18:41:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 302 states and 397 transitions. [2023-11-21 18:41:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2023-11-21 18:41:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:42,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:42,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:42,980 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 18:41:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 334 states and 452 transitions. [2023-11-21 18:41:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 452 transitions. [2023-11-21 18:41:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:41:44,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:45,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:45,124 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 18:41:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 333 states and 451 transitions. [2023-11-21 18:41:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 451 transitions. [2023-11-21 18:41:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:41:46,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:46,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 366 states and 508 transitions. [2023-11-21 18:41:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 508 transitions. [2023-11-21 18:41:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:41:48,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:48,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:48,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:48,929 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 18:41:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 365 states and 507 transitions. [2023-11-21 18:41:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 507 transitions. [2023-11-21 18:41:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:49,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:49,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:49,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:49,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:49,926 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 18:41:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 364 states and 506 transitions. [2023-11-21 18:41:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 506 transitions. [2023-11-21 18:41:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:49,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:50,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:50,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 370 states and 523 transitions. [2023-11-21 18:41:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 523 transitions. [2023-11-21 18:41:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:41:51,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:51,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:51,401 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 18:41:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 369 states and 522 transitions. [2023-11-21 18:41:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 522 transitions. [2023-11-21 18:41:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:41:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:53,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:53,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 377 states and 543 transitions. [2023-11-21 18:41:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 543 transitions. [2023-11-21 18:41:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:55,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:55,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:55,735 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 18:41:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 392 states and 561 transitions. [2023-11-21 18:41:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 561 transitions. [2023-11-21 18:41:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:59,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:59,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:59,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 399 states and 578 transitions. [2023-11-21 18:42:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 578 transitions. [2023-11-21 18:42:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:42:01,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:01,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 402 states and 585 transitions. [2023-11-21 18:42:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 585 transitions. [2023-11-21 18:42:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:02,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:02,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:02,424 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 18:42:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 401 states and 584 transitions. [2023-11-21 18:42:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 584 transitions. [2023-11-21 18:42:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:03,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:03,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:05,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 409 states and 600 transitions. [2023-11-21 18:42:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 600 transitions. [2023-11-21 18:42:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:05,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:05,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 412 states and 606 transitions. [2023-11-21 18:42:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 606 transitions. [2023-11-21 18:42:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:42:06,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.