./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/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_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/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_5246b824-b2ee-4431-adc4-62f0a0c7e64e/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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:07,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:07,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:07,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:07,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:07,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:07,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:07,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:07,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:07,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:07,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:07,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:07,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:07,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:07,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:07,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:07,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:07,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:07,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:07,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:07,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:07,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:07,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:07,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:07,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:07,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:07,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:07,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:07,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:07,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:07,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:07,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:07,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:07,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:07,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:07,368 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_5246b824-b2ee-4431-adc4-62f0a0c7e64e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2023-11-21 18:43:07,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:07,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:07,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:07,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:07,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:07,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-21 18:43:10,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:11,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:11,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-21 18:43:11,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/data/0857e5a71/083ddd6ba6fc414ab2db4b895e03e789/FLAG16c3fc4ad [2023-11-21 18:43:11,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/data/0857e5a71/083ddd6ba6fc414ab2db4b895e03e789 [2023-11-21 18:43:11,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:11,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:11,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:11,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:11,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:11,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c256b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11, skipping insertion in model container [2023-11-21 18:43:11,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:11,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:11,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:11,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:11,280 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:11,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11 WrapperNode [2023-11-21 18:43:11,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:11,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:11,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:11,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:11,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,333 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-21 18:43:11,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:11,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:11,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:11,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:11,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:11,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:11,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:11,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:11,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:11" (1/1) ... [2023-11-21 18:43:11,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:11,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:11,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5246b824-b2ee-4431-adc4-62f0a0c7e64e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:11,546 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:11,549 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:11,923 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:12,013 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:12,018 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:43:12,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:12 BoogieIcfgContainer [2023-11-21 18:43:12,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:12,022 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:12,023 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:12,034 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:12,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-21 18:43:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-21 18:43:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:43:12,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,421 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 18:43:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-21 18:43:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-21 18:43:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:12,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,549 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 18:43:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-21 18:43:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-21 18:43:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:43:12,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:12,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:12,690 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 18:43:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-21 18:43:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-21 18:43:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:43:12,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:12,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:12,831 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 18:43:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-21 18:43:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-21 18:43:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:43:13,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,171 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 18:43:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-21 18:43:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-21 18:43:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:43:13,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,279 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 18:43:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2023-11-21 18:43:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2023-11-21 18:43:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:43:13,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,744 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 18:43:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-21 18:43:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-21 18:43:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:43:13,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,879 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 18:43:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2023-11-21 18:43:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2023-11-21 18:43:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:43:14,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,694 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 18:43:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2023-11-21 18:43:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2023-11-21 18:43:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:43:15,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2023-11-21 18:43:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2023-11-21 18:43:15,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:43:15,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:43:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:43:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:43:15,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2023-11-21 18:43:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2023-11-21 18:43:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:43:15,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:16,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:16,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2023-11-21 18:43:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2023-11-21 18:43:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:43:17,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:17,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:17,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2023-11-21 18:43:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2023-11-21 18:43:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:43:18,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:18,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:18,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-21 18:43:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-21 18:43:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:43:19,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:19,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:19,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 170 states and 274 transitions. [2023-11-21 18:43:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 274 transitions. [2023-11-21 18:43:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:43:21,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:21,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:21,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:21,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 185 states and 321 transitions. [2023-11-21 18:43:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 321 transitions. [2023-11-21 18:43:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:43:22,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 203 states and 353 transitions. [2023-11-21 18:43:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 353 transitions. [2023-11-21 18:43:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:43:25,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:25,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:25,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 211 states and 371 transitions. [2023-11-21 18:43:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 371 transitions. [2023-11-21 18:43:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:43:27,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:27,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:27,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 219 states and 390 transitions. [2023-11-21 18:43:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 390 transitions. [2023-11-21 18:43:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:43:29,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:29,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:29,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:29,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 228 states and 410 transitions. [2023-11-21 18:43:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 410 transitions. [2023-11-21 18:43:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:43:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:32,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:32,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:32,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 238 states and 431 transitions. [2023-11-21 18:43:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 431 transitions. [2023-11-21 18:43:34,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:34,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:34,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:34,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:34,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 249 states and 453 transitions. [2023-11-21 18:43:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2023-11-21 18:43:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:43:36,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:36,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:36,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 263 states and 493 transitions. [2023-11-21 18:43:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 493 transitions. [2023-11-21 18:43:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:43:41,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:41,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:41,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 278 states and 534 transitions. [2023-11-21 18:43:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 534 transitions. [2023-11-21 18:43:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:43:45,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:45,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:45,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:45,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 290 states and 571 transitions. [2023-11-21 18:43:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 571 transitions. [2023-11-21 18:43:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:43:49,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:49,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:49,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 307 states and 618 transitions. [2023-11-21 18:43:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 618 transitions. [2023-11-21 18:43:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:43:55,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:55,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:55,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:55,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:44:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 325 states and 663 transitions. [2023-11-21 18:44:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 663 transitions. [2023-11-21 18:44:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:44:01,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:01,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:01,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:44:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 327 states and 669 transitions. [2023-11-21 18:44:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 669 transitions. [2023-11-21 18:44:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:44:03,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.