./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:49,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:49,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:49,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:49,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:49,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:49,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:49,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:49,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:49,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:49,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:49,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:49,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:49,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:49,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:49,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:49,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:49,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:49,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:49,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:49,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:49,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:49,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:49,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:49,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:49,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:49,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:49,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:49,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:49,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:49,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:49,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:49,296 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:49,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:49,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:49,297 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_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2023-11-23 20:26:49,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:49,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:49,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:49,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:49,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:49,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-23 20:26:53,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:53,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:53,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-23 20:26:53,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/data/f6270e2d7/758ec25bb8a141ab9366a68c7ca764d2/FLAG947c9ae77 [2023-11-23 20:26:53,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/data/f6270e2d7/758ec25bb8a141ab9366a68c7ca764d2 [2023-11-23 20:26:53,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:53,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:53,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:53,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:53,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:53,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5372bd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53, skipping insertion in model container [2023-11-23 20:26:53,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:53,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:53,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:53,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:53,750 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:53,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53 WrapperNode [2023-11-23 20:26:53,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:53,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:53,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:53,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:53,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,808 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-23 20:26:53,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:53,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:53,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:53,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:53,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:53,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:53,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:53,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:53,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:53" (1/1) ... [2023-11-23 20:26:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:53,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:53,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa80b0-08c5-4248-8993-2c04efa3ef15/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:26:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:26:54,072 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:54,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:54,441 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:54,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:54,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:26:54,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:54 BoogieIcfgContainer [2023-11-23 20:26:54,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:54,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:54,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:54,497 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:54,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:54" (1/1) ... [2023-11-23 20:26:54,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:54,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-23 20:26:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-23 20:26:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:26:54,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-23 20:26:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-23 20:26:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:26:54,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-23 20:26:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-23 20:26:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:55,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-23 20:26:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-23 20:26:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:26:55,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-23 20:26:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-23 20:26:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:26:55,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:55,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:26:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:26:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:26:55,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:55,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2023-11-23 20:26:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-11-23 20:26:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:55,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:55,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2023-11-23 20:26:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2023-11-23 20:26:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:26:56,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:56,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:56,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2023-11-23 20:26:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2023-11-23 20:26:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:26:57,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:57,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2023-11-23 20:26:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2023-11-23 20:26:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:26:57,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:57,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-23 20:26:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-23 20:26:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:26:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:57,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-23 20:26:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-23 20:26:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:26:58,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:58,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:58,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2023-11-23 20:26:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-11-23 20:26:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:26:59,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:59,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:59,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:59,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 111 states and 137 transitions. [2023-11-23 20:27:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2023-11-23 20:27:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:00,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:00,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:00,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 115 states and 145 transitions. [2023-11-23 20:27:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 145 transitions. [2023-11-23 20:27:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:00,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:00,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:00,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 131 states and 169 transitions. [2023-11-23 20:27:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 169 transitions. [2023-11-23 20:27:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:02,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:02,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 175 transitions. [2023-11-23 20:27:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 175 transitions. [2023-11-23 20:27:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:03,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:03,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:03,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 140 states and 188 transitions. [2023-11-23 20:27:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2023-11-23 20:27:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:04,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:04,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:04,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 203 transitions. [2023-11-23 20:27:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 203 transitions. [2023-11-23 20:27:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:05,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:05,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:05,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:05,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 215 transitions. [2023-11-23 20:27:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2023-11-23 20:27:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:06,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 152 states and 214 transitions. [2023-11-23 20:27:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2023-11-23 20:27:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:06,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 159 states and 226 transitions. [2023-11-23 20:27:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-23 20:27:07,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:07,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:07,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:07,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 238 transitions. [2023-11-23 20:27:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2023-11-23 20:27:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:09,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:09,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 174 states and 253 transitions. [2023-11-23 20:27:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-23 20:27:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:10,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:10,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:10,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 252 transitions. [2023-11-23 20:27:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2023-11-23 20:27:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:11,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:11,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 263 transitions. [2023-11-23 20:27:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 263 transitions. [2023-11-23 20:27:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:13,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:13,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 202 states and 309 transitions. [2023-11-23 20:27:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 309 transitions. [2023-11-23 20:27:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:16,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:16,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 223 states and 355 transitions. [2023-11-23 20:27:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 355 transitions. [2023-11-23 20:27:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:27:19,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:19,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:19,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 230 states and 375 transitions. [2023-11-23 20:27:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 375 transitions. [2023-11-23 20:27:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:27:21,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 233 states and 378 transitions. [2023-11-23 20:27:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 378 transitions. [2023-11-23 20:27:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:27:21,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 240 states and 389 transitions. [2023-11-23 20:27:23,705 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 389 transitions. [2023-11-23 20:27:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:27:23,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:23,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 391 transitions. [2023-11-23 20:27:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 391 transitions. [2023-11-23 20:27:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:24,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:24,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 251 states and 405 transitions. [2023-11-23 20:27:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 405 transitions. [2023-11-23 20:27:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:26,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:26,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:26,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 254 states and 407 transitions. [2023-11-23 20:27:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 407 transitions. [2023-11-23 20:27:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:27:27,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:27,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 257 states and 410 transitions. [2023-11-23 20:27:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 410 transitions. [2023-11-23 20:27:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:27:28,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:28,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 259 states and 414 transitions. [2023-11-23 20:27:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2023-11-23 20:27:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:27:30,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:27:30,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 262 states and 421 transitions. [2023-11-23 20:27:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 421 transitions. [2023-11-23 20:27:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:27:32,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:32,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 279 states and 443 transitions. [2023-11-23 20:27:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2023-11-23 20:27:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:27:35,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:35,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 282 states and 446 transitions. [2023-11-23 20:27:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2023-11-23 20:27:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:37,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:37,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:37,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 302 states and 491 transitions. [2023-11-23 20:27:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 491 transitions. [2023-11-23 20:27:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:41,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:41,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 305 states and 494 transitions. [2023-11-23 20:27:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 494 transitions. [2023-11-23 20:27:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:43,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:43,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.