./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/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_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/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_948425cd-eebe-4756-be64-9e80b609b41a/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 4d17ed8dd7de3007f02b2c3df3a75e1fbb5469b0133c538c149df8a118a565d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:59,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:59,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:59,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:59,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:59,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:59,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:59,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:59,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:59,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:59,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:59,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:59,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:59,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:59,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:59,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:59,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:59,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:59,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:59,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:59,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:59,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:59,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:59,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:59,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:59,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:59,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:59,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:59,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:59,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:59,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:59,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:59,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:59,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:59,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:59,278 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_948425cd-eebe-4756-be64-9e80b609b41a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d17ed8dd7de3007f02b2c3df3a75e1fbb5469b0133c538c149df8a118a565d0 [2023-11-21 18:31:59,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:59,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:59,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:59,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:59,613 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:59,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2023-11-21 18:32:02,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:03,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:03,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2023-11-21 18:32:03,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/data/3b8adf213/54723c82f1d1493dbb1cac67f6ea0dd0/FLAG90d56eb9f [2023-11-21 18:32:03,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/data/3b8adf213/54723c82f1d1493dbb1cac67f6ea0dd0 [2023-11-21 18:32:03,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:03,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:03,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:03,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:03,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:03,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f384e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03, skipping insertion in model container [2023-11-21 18:32:03,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:03,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:03,596 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:03,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:03,630 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:03,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03 WrapperNode [2023-11-21 18:32:03,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:03,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:03,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:03,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:03,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,692 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-21 18:32:03,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:03,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:03,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:03,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:03,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:03,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:03,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:03,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:03,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:03" (1/1) ... [2023-11-21 18:32:03,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:03,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:03,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:03,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948425cd-eebe-4756-be64-9e80b609b41a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:03,863 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:03,865 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:04,289 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:04,339 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:04,340 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:32:04,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:04 BoogieIcfgContainer [2023-11-21 18:32:04,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:04,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:04,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:04,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:04,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:04" (1/1) ... [2023-11-21 18:32:04,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-21 18:32:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-21 18:32:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:04,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:04,575 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 18:32:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-21 18:32:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-21 18:32:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:32:04,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,694 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 18:32:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-21 18:32:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-21 18:32:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:32:04,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,862 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 18:32:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-21 18:32:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-21 18:32:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:32:04,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,104 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 18:32:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-21 18:32:05,127 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-21 18:32:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:32:05,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:05,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,291 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 18:32:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-21 18:32:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-21 18:32:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:32:05,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:05,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,806 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 18:32:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-21 18:32:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-21 18:32:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:32:06,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:06,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:06,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:06,671 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 18:32:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-21 18:32:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-21 18:32:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:32:07,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,761 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 18:32:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2023-11-21 18:32:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2023-11-21 18:32:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:32:07,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,161 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 18:32:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-21 18:32:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-21 18:32:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:32:09,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:09,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:09,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:09,829 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 18:32:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 147 states and 196 transitions. [2023-11-21 18:32:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-21 18:32:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:32:11,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:11,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:11,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:11,880 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 18:32:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 158 states and 216 transitions. [2023-11-21 18:32:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2023-11-21 18:32:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:13,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:13,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:13,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:13,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:14,137 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 18:32:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 170 states and 238 transitions. [2023-11-21 18:32:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-11-21 18:32:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:32:16,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:16,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:16,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:16,766 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 18:32:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2023-11-21 18:32:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-21 18:32:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:17,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,239 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 18:32:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 246 transitions. [2023-11-21 18:32:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-11-21 18:32:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:17,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:17,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:17,717 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 18:32:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 184 states and 264 transitions. [2023-11-21 18:32:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2023-11-21 18:32:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:19,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:20,157 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 18:32:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 283 transitions. [2023-11-21 18:32:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-21 18:32:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:22,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:22,803 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 18:32:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 282 transitions. [2023-11-21 18:32:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2023-11-21 18:32:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:22,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:22,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:22,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:23,148 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 18:32:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 202 states and 303 transitions. [2023-11-21 18:32:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-21 18:32:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:26,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:26,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:26,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:26,740 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 18:32:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 205 states and 307 transitions. [2023-11-21 18:32:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2023-11-21 18:32:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:27,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,250 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 18:32:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 208 states and 311 transitions. [2023-11-21 18:32:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2023-11-21 18:32:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:27,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:27,517 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 18:32:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 310 transitions. [2023-11-21 18:32:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2023-11-21 18:32:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:27,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:27,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:27,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:27,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:28,084 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 18:32:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 217 states and 327 transitions. [2023-11-21 18:32:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 327 transitions. [2023-11-21 18:32:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:42,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:42,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:42,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:42,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,044 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 18:32:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 350 transitions. [2023-11-21 18:32:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-21 18:32:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:48,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:48,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:48,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:48,589 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 18:32:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 239 states and 372 transitions. [2023-11-21 18:32:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2023-11-21 18:32:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:52,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:52,714 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 18:32:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 376 transitions. [2023-11-21 18:32:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 376 transitions. [2023-11-21 18:32:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:52,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:52,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:52,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:52,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:52,916 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 18:32:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 385 transitions. [2023-11-21 18:32:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2023-11-21 18:32:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:32:54,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:54,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:54,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:54,573 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 18:32:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 251 states and 391 transitions. [2023-11-21 18:32:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 391 transitions. [2023-11-21 18:32:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:57,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.