./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/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_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/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_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/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 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:33,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:33,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:33,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:33,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:33,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:33,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:33,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:33,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:33,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:33,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:33,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:33,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:33,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:33,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:33,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:33,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:33,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:33,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:33,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:33,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:33,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:33,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:33,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:33,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:33,307 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:33,307 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:33,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:33,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:33,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:33,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:33,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:33,310 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:33,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:33,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:33,311 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_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2023-11-21 18:30:33,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:33,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:33,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:33,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:33,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:33,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-21 18:30:36,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:36,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:36,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-21 18:30:36,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/data/7af202ac4/6722901f8efa4a99b14858adbc51a155/FLAGd0400884c [2023-11-21 18:30:36,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/data/7af202ac4/6722901f8efa4a99b14858adbc51a155 [2023-11-21 18:30:36,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:36,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:36,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:36,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:36,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:36,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:36,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c59a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:36, skipping insertion in model container [2023-11-21 18:30:36,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:37,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:37,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:37,226 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:37,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:37,278 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:37,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37 WrapperNode [2023-11-21 18:30:37,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:37,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:37,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:37,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:37,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,342 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:30:37,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:37,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:37,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:37,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:37,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:37,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:37,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:37,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:37,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:37,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:37,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa22931-ab98-49d9-81f6-e0c5215b0f1b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:37,561 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:37,563 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:37,838 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:37,873 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:37,873 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:30:37,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:37 BoogieIcfgContainer [2023-11-21 18:30:37,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:37,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:37,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:37,888 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:37,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:37,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:30:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:30:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:37,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:38,266 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 18:30:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:30:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:30:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:30:38,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:38,427 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 18:30:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:30:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:30:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:30:38,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:38,513 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 18:30:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:30:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:30:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:30:38,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:38,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:38,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:38,676 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 18:30:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:30:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:30:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:38,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:38,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:38,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:38,957 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 18:30:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:30:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:30:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:38,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:39,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:39,123 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 18:30:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:30:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:30:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:39,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:39,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:39,682 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 18:30:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:30:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:30:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:40,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:40,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:40,324 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 18:30:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:30:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:30:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:41,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:41,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:41,329 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 18:30:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:30:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:30:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:42,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:42,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:42,287 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 18:30:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:30:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:30:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:42,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:42,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:42,914 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 18:30:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:30:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:30:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:43,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:43,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:43,667 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 18:30:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 237 transitions. [2023-11-21 18:30:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2023-11-21 18:30:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:43,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:43,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:43,795 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 18:30:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 146 states and 262 transitions. [2023-11-21 18:30:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2023-11-21 18:30:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:45,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:45,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:45,420 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 18:30:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 147 states and 263 transitions. [2023-11-21 18:30:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 263 transitions. [2023-11-21 18:30:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:45,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:45,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 153 states and 273 transitions. [2023-11-21 18:30:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 273 transitions. [2023-11-21 18:30:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:30:46,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:46,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:46,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:46,562 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 18:30:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 166 states and 299 transitions. [2023-11-21 18:30:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 299 transitions. [2023-11-21 18:30:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:30:48,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:48,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:48,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:48,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 310 transitions. [2023-11-21 18:30:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 310 transitions. [2023-11-21 18:30:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:30:49,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:49,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:49,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:50,253 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 18:30:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 183 states and 332 transitions. [2023-11-21 18:30:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 332 transitions. [2023-11-21 18:30:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:30:51,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:51,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:51,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 184 states and 332 transitions. [2023-11-21 18:30:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 332 transitions. [2023-11-21 18:30:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:30:52,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:52,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:52,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 194 states and 356 transitions. [2023-11-21 18:30:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 356 transitions. [2023-11-21 18:30:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:30:54,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:54,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 205 states and 381 transitions. [2023-11-21 18:30:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2023-11-21 18:30:57,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:30:57,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:57,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 216 states and 408 transitions. [2023-11-21 18:30:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 408 transitions. [2023-11-21 18:30:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:30:59,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:31:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 224 states and 434 transitions. [2023-11-21 18:31:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 434 transitions. [2023-11-21 18:31:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:31:02,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:02,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:02,118 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 18:31:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 231 states and 454 transitions. [2023-11-21 18:31:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 454 transitions. [2023-11-21 18:31:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:31:03,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:03,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:03,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:04,578 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 18:31:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 244 states and 483 transitions. [2023-11-21 18:31:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 483 transitions. [2023-11-21 18:31:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:31:08,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:08,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:08,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:08,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:08,313 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 18:31:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 245 states and 484 transitions. [2023-11-21 18:31:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 484 transitions. [2023-11-21 18:31:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:31:08,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:08,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:08,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:08,537 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 18:31:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 253 states and 504 transitions. [2023-11-21 18:31:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 504 transitions. [2023-11-21 18:31:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:10,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:10,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:10,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:10,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:31:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 528 transitions. [2023-11-21 18:31:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 528 transitions. [2023-11-21 18:31:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:12,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:12,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:12,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:12,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:12,947 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 18:31:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 281 states and 562 transitions. [2023-11-21 18:31:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 562 transitions. [2023-11-21 18:31:17,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:17,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:17,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:17,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:31:17,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:31:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 287 states and 568 transitions. [2023-11-21 18:31:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 568 transitions. [2023-11-21 18:31:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:18,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:18,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:18,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:18,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:31:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 301 states and 606 transitions. [2023-11-21 18:31:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 606 transitions. [2023-11-21 18:31:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:31:22,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:22,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:31:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 312 states and 692 transitions. [2023-11-21 18:31:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 692 transitions. [2023-11-21 18:31:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:31:26,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:26,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:31:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 317 states and 710 transitions. [2023-11-21 18:31:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 710 transitions. [2023-11-21 18:31:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:31:27,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:27,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:31:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 323 states and 734 transitions. [2023-11-21 18:31:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 734 transitions. [2023-11-21 18:31:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:31:28,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:31:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:31:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 325 states and 736 transitions. [2023-11-21 18:31:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 736 transitions. [2023-11-21 18:31:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:31:29,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:29,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.