./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:46,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:46,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:46,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:46,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:46,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:46,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:46,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:46,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:46,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:46,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:46,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:46,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:46,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:46,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:46,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:46,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:46,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:46,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:46,415 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:46,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:46,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:46,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:46,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:46,418 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:46,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:46,419 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:46,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:46,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:46,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:46,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:46,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:46,422 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:46,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:46,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:46,423 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_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2023-11-21 18:46:46,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:46,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:46,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:46,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:46,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:46,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2023-11-21 18:46:49,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:50,080 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:50,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2023-11-21 18:46:50,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/data/7301be7a6/fcfc9f392f6e4acaba4b4deaf4888156/FLAG0c6a59c19 [2023-11-21 18:46:50,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/data/7301be7a6/fcfc9f392f6e4acaba4b4deaf4888156 [2023-11-21 18:46:50,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:50,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:50,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:50,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:50,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:50,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b7a2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50, skipping insertion in model container [2023-11-21 18:46:50,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:50,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:50,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:50,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:50,404 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:50,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50 WrapperNode [2023-11-21 18:46:50,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:50,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:50,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:50,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:50,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,451 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-21 18:46:50,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:50,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:50,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:50,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:50,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:50,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:50,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:50,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:50,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:50,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:50,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:50,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7511b13-7bca-41b6-b9cb-7b195860ee5f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:50,636 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:50,638 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:51,004 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:51,089 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:51,089 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:46:51,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:51 BoogieIcfgContainer [2023-11-21 18:46:51,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:51,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:51,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:51,105 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:51,105 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 113 states and 119 transitions. [2023-11-21 18:46:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2023-11-21 18:46:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:51,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2023-11-21 18:46:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2023-11-21 18:46:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:51,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 116 states and 122 transitions. [2023-11-21 18:46:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2023-11-21 18:46:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:51,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 117 states and 123 transitions. [2023-11-21 18:46:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2023-11-21 18:46:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:51,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-21 18:46:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-21 18:46:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:46:51,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-21 18:46:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-21 18:46:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:46:51,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-21 18:46:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-21 18:46:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:51,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2023-11-21 18:46:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2023-11-21 18:46:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:52,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-21 18:46:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-21 18:46:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:52,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2023-11-21 18:46:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2023-11-21 18:46:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:52,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 124 states and 131 transitions. [2023-11-21 18:46:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2023-11-21 18:46:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:52,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-21 18:46:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-21 18:46:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:52,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 138 states and 149 transitions. [2023-11-21 18:46:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2023-11-21 18:46:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:52,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 154 states and 170 transitions. [2023-11-21 18:46:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 170 transitions. [2023-11-21 18:46:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:46:53,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:53,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 171 states and 192 transitions. [2023-11-21 18:46:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 192 transitions. [2023-11-21 18:46:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:53,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:53,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 174 states and 196 transitions. [2023-11-21 18:46:53,812 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 196 transitions. [2023-11-21 18:46:53,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:53,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:53,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 177 states and 200 transitions. [2023-11-21 18:46:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 200 transitions. [2023-11-21 18:46:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:54,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 179 states and 204 transitions. [2023-11-21 18:46:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2023-11-21 18:46:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:54,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 182 states and 209 transitions. [2023-11-21 18:46:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2023-11-21 18:46:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:54,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 184 states and 212 transitions. [2023-11-21 18:46:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 212 transitions. [2023-11-21 18:46:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:46:55,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:55,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:55,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 188 states and 217 transitions. [2023-11-21 18:46:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 217 transitions. [2023-11-21 18:46:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:55,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:55,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:55,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 189 states and 219 transitions. [2023-11-21 18:46:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 219 transitions. [2023-11-21 18:46:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:55,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:55,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2023-11-21 18:46:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2023-11-21 18:46:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:46:56,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:56,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 201 states and 237 transitions. [2023-11-21 18:46:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-21 18:46:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:46:56,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:56,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 202 states and 238 transitions. [2023-11-21 18:46:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2023-11-21 18:46:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:57,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:57,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:57,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 254 transitions. [2023-11-21 18:46:58,049 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 254 transitions. [2023-11-21 18:46:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:46:58,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 215 states and 256 transitions. [2023-11-21 18:46:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 256 transitions. [2023-11-21 18:46:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:46:58,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 255 transitions. [2023-11-21 18:46:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 255 transitions. [2023-11-21 18:46:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:46:58,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 219 states and 265 transitions. [2023-11-21 18:46:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 265 transitions. [2023-11-21 18:46:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:46:59,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:59,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:59,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:59,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 218 states and 264 transitions. [2023-11-21 18:46:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2023-11-21 18:46:59,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:46:59,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:59,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:59,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:59,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 224 states and 275 transitions. [2023-11-21 18:46:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 275 transitions. [2023-11-21 18:46:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:59,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:59,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:59,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 234 states and 292 transitions. [2023-11-21 18:47:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 292 transitions. [2023-11-21 18:47:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:01,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:01,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:01,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 249 states and 314 transitions. [2023-11-21 18:47:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 314 transitions. [2023-11-21 18:47:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:47:03,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 248 states and 313 transitions. [2023-11-21 18:47:03,316 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 313 transitions. [2023-11-21 18:47:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:47:03,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 247 states and 312 transitions. [2023-11-21 18:47:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 312 transitions. [2023-11-21 18:47:03,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:47:03,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 270 states and 341 transitions. [2023-11-21 18:47:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 341 transitions. [2023-11-21 18:47:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:47:04,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:04,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:04,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:04,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 269 states and 340 transitions. [2023-11-21 18:47:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 340 transitions. [2023-11-21 18:47:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:47:04,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:04,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:04,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:04,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 293 states and 369 transitions. [2023-11-21 18:47:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-11-21 18:47:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:06,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:06,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 292 states and 368 transitions. [2023-11-21 18:47:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 368 transitions. [2023-11-21 18:47:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:47:06,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:06,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:47:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 291 states and 367 transitions. [2023-11-21 18:47:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 367 transitions. [2023-11-21 18:47:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:47:06,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:06,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 290 states and 366 transitions. [2023-11-21 18:47:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 366 transitions. [2023-11-21 18:47:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:06,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:06,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:47:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 289 states and 365 transitions. [2023-11-21 18:47:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 365 transitions. [2023-11-21 18:47:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:47:06,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:06,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:06,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 300 states and 382 transitions. [2023-11-21 18:47:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 382 transitions. [2023-11-21 18:47:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:47:07,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:07,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:47:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 299 states and 381 transitions. [2023-11-21 18:47:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2023-11-21 18:47:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:47:07,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:07,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 298 states and 380 transitions. [2023-11-21 18:47:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 380 transitions. [2023-11-21 18:47:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:47:07,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:07,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:47:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 297 states and 379 transitions. [2023-11-21 18:47:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 379 transitions. [2023-11-21 18:47:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:47:07,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:07,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:07,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 311 states and 396 transitions. [2023-11-21 18:47:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 396 transitions. [2023-11-21 18:47:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:47:08,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:08,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-21 18:47:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 310 states and 395 transitions. [2023-11-21 18:47:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 395 transitions. [2023-11-21 18:47:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:47:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:08,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 325 states and 412 transitions. [2023-11-21 18:47:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 412 transitions. [2023-11-21 18:47:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:47:09,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:09,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 324 states and 411 transitions. [2023-11-21 18:47:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2023-11-21 18:47:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:47:09,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:09,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 340 states and 430 transitions. [2023-11-21 18:47:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 430 transitions. [2023-11-21 18:47:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:47:10,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:10,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:10,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:10,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 339 states and 429 transitions. [2023-11-21 18:47:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 429 transitions. [2023-11-21 18:47:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:47:11,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:11,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 349 states and 443 transitions. [2023-11-21 18:47:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 443 transitions. [2023-11-21 18:47:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:47:12,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:12,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 367 states and 463 transitions. [2023-11-21 18:47:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 463 transitions. [2023-11-21 18:47:14,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:47:14,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:14,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 366 states and 462 transitions. [2023-11-21 18:47:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 462 transitions. [2023-11-21 18:47:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:47:14,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:14,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 365 states and 461 transitions. [2023-11-21 18:47:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 461 transitions. [2023-11-21 18:47:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:47:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:15,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:15,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:15,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 460 transitions. [2023-11-21 18:47:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 460 transitions. [2023-11-21 18:47:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:47:16,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 380 states and 484 transitions. [2023-11-21 18:47:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 484 transitions. [2023-11-21 18:47:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:47:17,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:17,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:17,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:17,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 402 states and 509 transitions. [2023-11-21 18:47:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 509 transitions. [2023-11-21 18:47:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:47:21,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 418 states and 529 transitions. [2023-11-21 18:47:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 529 transitions. [2023-11-21 18:47:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:47:22,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 417 states and 528 transitions. [2023-11-21 18:47:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 528 transitions. [2023-11-21 18:47:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:47:22,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 434 states and 551 transitions. [2023-11-21 18:47:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 551 transitions. [2023-11-21 18:47:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:47:23,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:23,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:23,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 458 states and 578 transitions. [2023-11-21 18:47:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 578 transitions. [2023-11-21 18:47:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:47:28,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:28,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 461 states and 589 transitions. [2023-11-21 18:47:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 589 transitions. [2023-11-21 18:47:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:47:29,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:29,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:29,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 464 states and 592 transitions. [2023-11-21 18:47:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 592 transitions. [2023-11-21 18:47:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:47:30,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:30,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:30,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 467 states and 598 transitions. [2023-11-21 18:47:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 598 transitions. [2023-11-21 18:47:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:47:31,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 470 states and 604 transitions. [2023-11-21 18:47:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 604 transitions. [2023-11-21 18:47:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:47:32,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 475 states and 612 transitions. [2023-11-21 18:47:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 612 transitions. [2023-11-21 18:47:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:47:34,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:34,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:47:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 475 states and 611 transitions. [2023-11-21 18:47:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 611 transitions. [2023-11-21 18:47:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:47:34,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:34,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 477 states and 616 transitions. [2023-11-21 18:47:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 616 transitions. [2023-11-21 18:47:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:47:35,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:35,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:47:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 484 states and 626 transitions. [2023-11-21 18:47:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 626 transitions. [2023-11-21 18:47:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:47:37,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:47:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 491 states and 636 transitions. [2023-11-21 18:47:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 636 transitions. [2023-11-21 18:47:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:47:39,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,492 INFO L285 TraceCheckSpWp]: Computing forward predicates...