./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:43,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:43,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:43,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:43,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:43,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:43,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:43,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:43,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:43,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:43,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:43,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:43,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:43,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:43,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:43,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:43,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:43,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:43,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:43,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:43,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:43,223 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:43,223 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:43,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:43,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:43,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:43,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:43,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:43,227 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:43,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:43,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:43,229 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_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2023-11-11 23:59:43,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:43,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:43,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:43,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:43,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:43,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-11 23:59:46,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:46,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:46,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-11 23:59:46,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/data/fb91de00a/d8058291454749589cccbf86bf92cba6/FLAGfc2d7a488 [2023-11-11 23:59:46,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/data/fb91de00a/d8058291454749589cccbf86bf92cba6 [2023-11-11 23:59:46,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:46,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:46,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:46,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:46,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:46,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:46" (1/1) ... [2023-11-11 23:59:46,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1efbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:46, skipping insertion in model container [2023-11-11 23:59:46,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:46" (1/1) ... [2023-11-11 23:59:46,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:47,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:47,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:47,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:47,117 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:47,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47 WrapperNode [2023-11-11 23:59:47,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:47,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:47,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:47,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:47,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,149 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-11 23:59:47,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:47,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:47,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:47,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:47,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:47,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:47,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:47,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:47,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:47,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:47,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:47,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755eda83-1b20-460b-aa89-d01aafaf89a1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:47,373 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:47,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:47,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:47,582 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:47,585 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:59:47,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:47 BoogieIcfgContainer [2023-11-11 23:59:47,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:47,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:47,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:47,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:47,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:47" (1/1) ... [2023-11-11 23:59:47,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:59:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:59:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:47,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-11 23:59:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-11 23:59:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:48,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-11 23:59:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-11 23:59:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:48,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-11 23:59:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-11 23:59:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:48,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-11 23:59:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-11 23:59:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:59:48,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2023-11-11 23:59:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2023-11-11 23:59:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:59:49,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-11 23:59:49,225 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-11 23:59:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:59:49,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-11 23:59:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-11 23:59:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:59:49,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-11 23:59:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-11 23:59:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:59:49,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:59:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-11 23:59:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-11 23:59:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:59:49,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:59:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-11 23:59:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-11 23:59:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:59:50,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:59:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-11 23:59:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-11 23:59:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:59:50,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:59:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-11 23:59:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-11 23:59:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:59:50,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:50,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-11 23:59:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-11 23:59:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:59:50,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-11 23:59:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-11 23:59:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:59:51,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-11 23:59:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-11 23:59:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:59:52,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2023-11-11 23:59:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-11 23:59:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:52,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2023-11-11 23:59:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-11 23:59:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:59:53,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-11 23:59:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-11 23:59:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-11 23:59:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:54,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 60 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2023-11-11 23:59:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2023-11-11 23:59:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:59:55,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:59:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2023-11-11 23:59:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-11 23:59:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:59:56,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:56,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 83 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-11 23:59:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-11 23:59:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:59:57,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:57,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-11 23:59:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2023-11-11 23:59:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-11 23:59:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:59:58,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:58,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 109 proven. 137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-11 23:59:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-11 23:59:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:59:59,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 152 proven. 84 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-12 00:00:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2023-11-12 00:00:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-12 00:00:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 00:00:00,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 138 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 126 transitions. [2023-11-12 00:00:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-12 00:00:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 00:00:02,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 198 proven. 108 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-12 00:00:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2023-11-12 00:00:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-12 00:00:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 00:00:03,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 170 proven. 254 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2023-11-12 00:00:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2023-11-12 00:00:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-12 00:00:05,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:05,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 250 proven. 135 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-12 00:00:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2023-11-12 00:00:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-12 00:00:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-12 00:00:05,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:05,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 205 proven. 326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-12 00:00:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-12 00:00:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:00:08,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:08,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 308 proven. 165 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-12 00:00:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-12 00:00:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-12 00:00:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 00:00:08,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 243 proven. 407 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 186 transitions. [2023-11-12 00:00:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2023-11-12 00:00:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 00:00:11,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 372 proven. 198 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-12 00:00:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2023-11-12 00:00:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-11-12 00:00:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-12 00:00:12,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 284 proven. 497 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2023-11-12 00:00:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2023-11-12 00:00:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-12 00:00:14,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:14,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 442 proven. 234 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-12 00:00:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 211 transitions. [2023-11-12 00:00:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2023-11-12 00:00:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-12 00:00:15,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 328 proven. 596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 231 transitions. [2023-11-12 00:00:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 231 transitions. [2023-11-12 00:00:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-12 00:00:18,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:18,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 518 proven. 273 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-12 00:00:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 128 states and 234 transitions. [2023-11-12 00:00:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2023-11-12 00:00:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-12 00:00:19,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 375 proven. 704 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2023-11-12 00:00:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2023-11-12 00:00:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 00:00:22,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 600 proven. 315 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-12 00:00:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2023-11-12 00:00:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2023-11-12 00:00:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 00:00:23,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:23,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 425 proven. 821 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 280 transitions. [2023-11-12 00:00:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 280 transitions. [2023-11-12 00:00:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 00:00:26,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 688 proven. 360 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-12 00:00:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 283 transitions. [2023-11-12 00:00:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2023-11-12 00:00:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-12 00:00:27,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 478 proven. 947 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 152 states and 306 transitions. [2023-11-12 00:00:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 306 transitions. [2023-11-12 00:00:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-12 00:00:31,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 782 proven. 408 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-12 00:00:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2023-11-12 00:00:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2023-11-12 00:00:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-12 00:00:32,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:32,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 534 proven. 1082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:00:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 333 transitions. [2023-11-12 00:00:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 333 transitions. [2023-11-12 00:00:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 00:00:35,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 882 proven. 459 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.