./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/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_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/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_b57bcd30-ed11-42bf-af45-661587bb9d78/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 197bb91209feafbd50d8f722faabb2ddec80478a21cb1768541ed232586540b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:13,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:13,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:13,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:13,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:13,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:13,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:13,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:13,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:13,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:13,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:13,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:13,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:13,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:13,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:13,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:13,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:13,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:13,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:13,531 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:13,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:13,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:13,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:13,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:13,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:13,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:13,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:13,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:13,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:13,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:13,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:13,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:13,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:13,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:13,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:13,541 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_b57bcd30-ed11-42bf-af45-661587bb9d78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197bb91209feafbd50d8f722faabb2ddec80478a21cb1768541ed232586540b8 [2023-11-23 19:56:13,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:13,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:13,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:14,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:14,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:14,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/ps4.c [2023-11-23 19:56:17,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:17,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:17,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/sv-benchmarks/c/nla-digbench/ps4.c [2023-11-23 19:56:17,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/data/ac638fa18/091654e07aa74381a04adddfe13494cc/FLAG4838843a1 [2023-11-23 19:56:17,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/data/ac638fa18/091654e07aa74381a04adddfe13494cc [2023-11-23 19:56:17,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:17,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:17,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:17,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:17,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:17,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:17,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284729e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17, skipping insertion in model container [2023-11-23 19:56:17,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:17,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:17,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:17,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:17,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:17,965 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:17,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17 WrapperNode [2023-11-23 19:56:17,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:17,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:17,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:17,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:17,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,052 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2023-11-23 19:56:18,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:18,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:18,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:18,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:18,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:18,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:18,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:18,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:18,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:17" (1/1) ... [2023-11-23 19:56:18,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:18,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57bcd30-ed11-42bf-af45-661587bb9d78/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:56:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:56:18,340 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:18,343 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:18,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:18,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:18,863 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 19:56:18,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:18 BoogieIcfgContainer [2023-11-23 19:56:18,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:18,867 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:18,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:18,880 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:18,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 130 states and 133 transitions. [2023-11-23 19:56:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2023-11-23 19:56:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:56:18,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:18,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,229 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 19:56:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 130 states and 132 transitions. [2023-11-23 19:56:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2023-11-23 19:56:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:56:19,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,432 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 19:56:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 132 states and 135 transitions. [2023-11-23 19:56:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2023-11-23 19:56:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:56:19,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,567 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 19:56:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 133 states and 136 transitions. [2023-11-23 19:56:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2023-11-23 19:56:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:56:19,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,630 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 19:56:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 132 states and 135 transitions. [2023-11-23 19:56:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2023-11-23 19:56:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:56:19,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,729 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 19:56:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 137 states and 142 transitions. [2023-11-23 19:56:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2023-11-23 19:56:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:56:19,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,875 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 19:56:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 138 states and 143 transitions. [2023-11-23 19:56:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2023-11-23 19:56:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:19,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,943 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 19:56:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2023-11-23 19:56:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2023-11-23 19:56:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:19,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,012 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 19:56:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 138 states and 143 transitions. [2023-11-23 19:56:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2023-11-23 19:56:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:56:20,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,081 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 19:56:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2023-11-23 19:56:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2023-11-23 19:56:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 19:56:20,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,261 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 19:56:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 147 states and 154 transitions. [2023-11-23 19:56:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2023-11-23 19:56:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:56:20,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,643 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 19:56:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 155 states and 163 transitions. [2023-11-23 19:56:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 163 transitions. [2023-11-23 19:56:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:56:20,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,983 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 19:56:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 156 states and 165 transitions. [2023-11-23 19:56:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2023-11-23 19:56:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 19:56:21,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,130 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 19:56:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 158 states and 168 transitions. [2023-11-23 19:56:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2023-11-23 19:56:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 19:56:21,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,247 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 19:56:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2023-11-23 19:56:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2023-11-23 19:56:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:21,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,318 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 19:56:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 160 states and 170 transitions. [2023-11-23 19:56:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2023-11-23 19:56:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:56:21,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,419 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 19:56:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 161 states and 171 transitions. [2023-11-23 19:56:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2023-11-23 19:56:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:21,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,505 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 19:56:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 162 states and 172 transitions. [2023-11-23 19:56:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2023-11-23 19:56:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:21,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,665 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 19:56:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 170 states and 180 transitions. [2023-11-23 19:56:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2023-11-23 19:56:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:56:21,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,898 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 19:56:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 178 states and 189 transitions. [2023-11-23 19:56:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 189 transitions. [2023-11-23 19:56:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:56:22,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,029 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 19:56:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 177 states and 188 transitions. [2023-11-23 19:56:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 188 transitions. [2023-11-23 19:56:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:56:22,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,128 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 19:56:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 179 states and 190 transitions. [2023-11-23 19:56:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2023-11-23 19:56:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:56:22,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,324 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 19:56:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 183 states and 195 transitions. [2023-11-23 19:56:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 195 transitions. [2023-11-23 19:56:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:56:22,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 187 states and 200 transitions. [2023-11-23 19:56:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 200 transitions. [2023-11-23 19:56:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:56:22,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,787 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 19:56:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 190 states and 206 transitions. [2023-11-23 19:56:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 206 transitions. [2023-11-23 19:56:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:56:22,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,945 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 19:56:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 216 states and 238 transitions. [2023-11-23 19:56:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 238 transitions. [2023-11-23 19:56:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:56:23,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:23,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:23,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:23,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:23,468 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 19:56:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 217 states and 239 transitions. [2023-11-23 19:56:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 239 transitions. [2023-11-23 19:56:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:56:23,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:23,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:23,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:23,604 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 19:56:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 244 states and 272 transitions. [2023-11-23 19:56:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 272 transitions. [2023-11-23 19:56:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:24,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:24,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:24,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,249 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 19:56:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 243 states and 271 transitions. [2023-11-23 19:56:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 271 transitions. [2023-11-23 19:56:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:24,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:24,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:24,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,384 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 19:56:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 246 states and 277 transitions. [2023-11-23 19:56:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 277 transitions. [2023-11-23 19:56:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:24,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:24,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:24,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,817 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 19:56:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 248 states and 279 transitions. [2023-11-23 19:56:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 279 transitions. [2023-11-23 19:56:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:25,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,258 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 19:56:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 252 states and 286 transitions. [2023-11-23 19:56:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 286 transitions. [2023-11-23 19:56:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:25,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,762 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 19:56:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 255 states and 289 transitions. [2023-11-23 19:56:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 289 transitions. [2023-11-23 19:56:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:25,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,892 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 19:56:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 254 states and 288 transitions. [2023-11-23 19:56:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 288 transitions. [2023-11-23 19:56:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:25,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,994 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 19:56:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 255 states and 289 transitions. [2023-11-23 19:56:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 289 transitions. [2023-11-23 19:56:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:26,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:26,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:26,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:26,139 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 19:56:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 261 states and 297 transitions. [2023-11-23 19:56:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 297 transitions. [2023-11-23 19:56:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:56:26,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:26,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:26,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:26,709 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 19:56:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 262 states and 299 transitions. [2023-11-23 19:56:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 299 transitions. [2023-11-23 19:56:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:56:26,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:26,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:26,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:26,906 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 19:56:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 264 states and 301 transitions. [2023-11-23 19:56:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 301 transitions. [2023-11-23 19:56:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:56:27,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:27,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:27,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 272 states and 312 transitions. [2023-11-23 19:56:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 312 transitions. [2023-11-23 19:56:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:56:27,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:27,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:27,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:27,790 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 19:56:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 284 states and 330 transitions. [2023-11-23 19:56:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 330 transitions. [2023-11-23 19:56:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:56:28,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:28,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:28,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 293 states and 342 transitions. [2023-11-23 19:56:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 342 transitions. [2023-11-23 19:56:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:56:29,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:29,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:29,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:29,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:29,535 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 19:56:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 305 states and 362 transitions. [2023-11-23 19:56:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 362 transitions. [2023-11-23 19:56:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:30,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:30,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:30,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 304 states and 361 transitions. [2023-11-23 19:56:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 361 transitions. [2023-11-23 19:56:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 19:56:30,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:30,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:30,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:30,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 309 states and 367 transitions. [2023-11-23 19:56:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 367 transitions. [2023-11-23 19:56:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:31,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:31,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:31,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:31,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 314 states and 374 transitions. [2023-11-23 19:56:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 374 transitions. [2023-11-23 19:56:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 19:56:32,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:32,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:32,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 320 states and 381 transitions. [2023-11-23 19:56:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 381 transitions. [2023-11-23 19:56:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 19:56:34,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:34,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:34,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:34,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 325 states and 389 transitions. [2023-11-23 19:56:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 389 transitions. [2023-11-23 19:56:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:35,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:35,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:35,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:35,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 332 states and 397 transitions. [2023-11-23 19:56:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 397 transitions. [2023-11-23 19:56:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 19:56:37,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 331 states and 396 transitions. [2023-11-23 19:56:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 396 transitions. [2023-11-23 19:56:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:37,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 336 states and 404 transitions. [2023-11-23 19:56:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 404 transitions. [2023-11-23 19:56:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:56:37,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 345 states and 414 transitions. [2023-11-23 19:56:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 414 transitions. [2023-11-23 19:56:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 19:56:39,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:39,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:39,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 351 states and 423 transitions. [2023-11-23 19:56:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 423 transitions. [2023-11-23 19:56:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:40,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:40,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:40,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 361 states and 434 transitions. [2023-11-23 19:56:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 434 transitions. [2023-11-23 19:56:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:56:41,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:41,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:41,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 368 states and 444 transitions. [2023-11-23 19:56:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 444 transitions. [2023-11-23 19:56:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 19:56:43,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:43,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:43,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 367 states and 443 transitions. [2023-11-23 19:56:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 443 transitions. [2023-11-23 19:56:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:56:44,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:44,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:44,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 366 states and 442 transitions. [2023-11-23 19:56:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 442 transitions. [2023-11-23 19:56:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 19:56:45,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:45,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:45,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:45,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:45,139 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 19:56:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 375 states and 455 transitions. [2023-11-23 19:56:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 455 transitions. [2023-11-23 19:56:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:56:46,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:46,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:46,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 374 states and 454 transitions. [2023-11-23 19:56:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 454 transitions. [2023-11-23 19:56:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:56:47,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:47,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:47,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 381 states and 461 transitions. [2023-11-23 19:56:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 461 transitions. [2023-11-23 19:56:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:56:48,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:48,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:48,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 380 states and 460 transitions. [2023-11-23 19:56:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 460 transitions. [2023-11-23 19:56:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:56:48,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:48,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:48,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:56:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 382 states and 466 transitions. [2023-11-23 19:56:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 466 transitions. [2023-11-23 19:56:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:56:49,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:49,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:49,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:49,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 381 states and 465 transitions. [2023-11-23 19:56:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 465 transitions. [2023-11-23 19:56:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:56:50,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:50,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:50,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:50,827 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 19:56:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 383 states and 468 transitions. [2023-11-23 19:56:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 468 transitions. [2023-11-23 19:56:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:56:51,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:51,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:51,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:51,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 382 states and 467 transitions. [2023-11-23 19:56:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 467 transitions. [2023-11-23 19:56:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:56:52,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:52,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:52,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 386 states and 473 transitions. [2023-11-23 19:56:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 473 transitions. [2023-11-23 19:56:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 19:56:53,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:53,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:53,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 385 states and 472 transitions. [2023-11-23 19:56:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 472 transitions. [2023-11-23 19:56:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 19:56:55,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:55,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:55,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 403 states and 491 transitions. [2023-11-23 19:56:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 491 transitions. [2023-11-23 19:56:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 19:56:59,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:59,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:59,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:59,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 405 states and 493 transitions. [2023-11-23 19:56:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 493 transitions. [2023-11-23 19:56:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 19:56:59,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:59,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:59,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 404 states and 492 transitions. [2023-11-23 19:57:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 492 transitions. [2023-11-23 19:57:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 19:57:02,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:02,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:02,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:02,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 405 states and 494 transitions. [2023-11-23 19:57:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 494 transitions. [2023-11-23 19:57:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 19:57:03,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:03,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:03,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:03,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 404 states and 493 transitions. [2023-11-23 19:57:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 493 transitions. [2023-11-23 19:57:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 19:57:03,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:03,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:03,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:03,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.