./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.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_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/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_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/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_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/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 7e9492584c051c945baa3a1de8b03a2c00614fb076a66c88b26b81461b005eeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:57,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:57,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:57,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:57,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:57,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:57,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:57,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:57,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:57,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:57,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:57,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:57,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:57,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:57,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:57,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:57,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:57,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:57,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:57,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:57,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:57,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:57,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:57,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:57,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:57,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:57,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:57,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:57,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:57,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:57,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:57,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:57,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:57,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:57,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:57,246 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_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e9492584c051c945baa3a1de8b03a2c00614fb076a66c88b26b81461b005eeb [2023-11-21 18:39:57,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:57,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:57,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:57,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:57,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:57,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c [2023-11-21 18:40:00,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:01,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:01,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c [2023-11-21 18:40:01,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/data/5d311a656/a68fe65a960a4ffa8c0555c368e793e0/FLAG184e3241c [2023-11-21 18:40:01,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/data/5d311a656/a68fe65a960a4ffa8c0555c368e793e0 [2023-11-21 18:40:01,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:01,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:01,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:01,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:01,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:01,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aec2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01, skipping insertion in model container [2023-11-21 18:40:01,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:01,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:01,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:01,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:01,632 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:01,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01 WrapperNode [2023-11-21 18:40:01,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:01,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:01,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:01,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:01,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,694 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-21 18:40:01,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:01,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:01,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:01,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:01,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:01,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:01,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:01,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:01,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:01" (1/1) ... [2023-11-21 18:40:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:01,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:01,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a7da1-ba35-4b95-b1ff-5894be844c2c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:01,918 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:01,921 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:02,493 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:02,546 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:02,546 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:02,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:02 BoogieIcfgContainer [2023-11-21 18:40:02,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:02,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:02,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:02,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:02,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:02" (1/1) ... [2023-11-21 18:40:02,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-21 18:40:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-21 18:40:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:02,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:02,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:02,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:02,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:02,819 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 18:40:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-21 18:40:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-21 18:40:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:02,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:02,968 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 18:40:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-21 18:40:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-21 18:40:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:03,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:03,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:03,116 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 18:40:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-21 18:40:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-21 18:40:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:03,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:03,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:03,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:03,304 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 18:40:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2023-11-21 18:40:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2023-11-21 18:40:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:03,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:03,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:03,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:03,416 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 18:40:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 113 states and 131 transitions. [2023-11-21 18:40:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2023-11-21 18:40:03,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:03,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:03,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:03,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:03,969 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 18:40:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2023-11-21 18:40:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2023-11-21 18:40:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:04,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:04,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:04,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:04,810 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 18:40:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2023-11-21 18:40:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2023-11-21 18:40:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:05,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:05,821 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 18:40:05,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 128 states and 158 transitions. [2023-11-21 18:40:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 158 transitions. [2023-11-21 18:40:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:05,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:06,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:06,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,218 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 18:40:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2023-11-21 18:40:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2023-11-21 18:40:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:07,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:07,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:07,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:07,577 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 18:40:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-11-21 18:40:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-11-21 18:40:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:09,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:09,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:09,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:09,394 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 18:40:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 158 states and 209 transitions. [2023-11-21 18:40:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2023-11-21 18:40:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:11,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:11,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:11,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:11,931 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 18:40:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 170 states and 230 transitions. [2023-11-21 18:40:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 230 transitions. [2023-11-21 18:40:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:14,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:14,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:14,932 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 18:40:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 173 states and 236 transitions. [2023-11-21 18:40:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 236 transitions. [2023-11-21 18:40:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:15,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:15,663 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 18:40:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 175 states and 238 transitions. [2023-11-21 18:40:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2023-11-21 18:40:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:15,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:15,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:15,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:15,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,151 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 18:40:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 184 states and 256 transitions. [2023-11-21 18:40:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2023-11-21 18:40:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:18,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,328 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 18:40:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 193 states and 275 transitions. [2023-11-21 18:40:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 275 transitions. [2023-11-21 18:40:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:40:20,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,779 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 18:40:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 192 states and 274 transitions. [2023-11-21 18:40:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 274 transitions. [2023-11-21 18:40:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:20,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:21,126 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 18:40:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 295 transitions. [2023-11-21 18:40:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 295 transitions. [2023-11-21 18:40:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:24,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,540 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 18:40:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 299 transitions. [2023-11-21 18:40:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 299 transitions. [2023-11-21 18:40:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:24,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,024 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 18:40:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 208 states and 303 transitions. [2023-11-21 18:40:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2023-11-21 18:40:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:25,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,239 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 18:40:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 207 states and 302 transitions. [2023-11-21 18:40:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 302 transitions. [2023-11-21 18:40:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:25,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,700 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 18:40:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 217 states and 319 transitions. [2023-11-21 18:40:37,035 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2023-11-21 18:40:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:37,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 228 states and 342 transitions. [2023-11-21 18:40:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 342 transitions. [2023-11-21 18:40:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:42,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,733 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 18:40:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 239 states and 364 transitions. [2023-11-21 18:40:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2023-11-21 18:40:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:46,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,939 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 18:40:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 242 states and 368 transitions. [2023-11-21 18:40:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 368 transitions. [2023-11-21 18:40:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:46,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:47,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:47,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:47,124 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 18:40:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 246 states and 377 transitions. [2023-11-21 18:40:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2023-11-21 18:40:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:48,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,384 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 18:40:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 251 states and 383 transitions. [2023-11-21 18:40:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 383 transitions. [2023-11-21 18:40:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:51,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,454 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 18:40:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 393 transitions. [2023-11-21 18:40:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 393 transitions. [2023-11-21 18:40:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:53,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:53,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:53,429 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 18:40:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 260 states and 399 transitions. [2023-11-21 18:40:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 399 transitions. [2023-11-21 18:40:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:54,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,816 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 18:40:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 264 states and 406 transitions. [2023-11-21 18:40:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 406 transitions. [2023-11-21 18:40:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:40:55,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.