./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c3b1a53bc376cbb6283db57f6430d0a17b3acc99aa70ab198c7c36e6e59ecc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:07:38,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:07:38,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:07:38,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:07:38,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:07:38,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:07:38,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:07:38,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:07:38,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:07:38,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:07:38,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:07:38,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:07:38,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:07:38,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:07:38,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:07:38,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:07:38,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:07:38,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:07:38,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:07:38,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:07:38,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:07:38,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:07:38,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:07:38,942 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:07:38,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:07:38,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:07:38,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:38,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:07:38,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:07:38,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:07:38,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:07:38,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:07:38,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:07:38,945 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_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c3b1a53bc376cbb6283db57f6430d0a17b3acc99aa70ab198c7c36e6e59ecc9 [2023-12-03 02:07:39,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:07:39,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:07:39,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:07:39,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:07:39,180 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:07:39,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2023-12-03 02:07:41,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:07:42,160 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:07:42,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2023-12-03 02:07:42,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/data/54486d4ec/63900023cf4f4fb5b8f318eca25c233c/FLAGf9850c2b4 [2023-12-03 02:07:42,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/data/54486d4ec/63900023cf4f4fb5b8f318eca25c233c [2023-12-03 02:07:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:07:42,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:07:42,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:42,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:07:42,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:07:42,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdc4091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42, skipping insertion in model container [2023-12-03 02:07:42,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:07:42,414 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c[11270,11283] [2023-12-03 02:07:42,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:42,430 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:07:42,477 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c[11270,11283] [2023-12-03 02:07:42,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:42,493 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:07:42,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42 WrapperNode [2023-12-03 02:07:42,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:42,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:42,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:07:42,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:07:42,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,540 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 334 [2023-12-03 02:07:42,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:42,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:07:42,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:07:42,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:07:42,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:07:42,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:07:42,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:07:42,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:07:42,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:42,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:07:42,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:07:42,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f805519-f33f-4df0-9bc8-965b5d598522/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:07:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:07:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:07:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:07:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:07:42,739 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:07:42,741 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:07:43,105 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:07:43,534 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:07:43,534 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:07:43,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:43 BoogieIcfgContainer [2023-12-03 02:07:43,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:07:43,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:07:43,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:07:43,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:07:43,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:43" (1/1) ... [2023-12-03 02:07:43,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:07:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 02:07:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 02:07:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:07:43,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-12-03 02:07:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-12-03 02:07:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:07:45,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-12-03 02:07:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-12-03 02:07:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:07:45,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:45,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2023-12-03 02:07:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2023-12-03 02:07:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:07:46,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-12-03 02:07:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-12-03 02:07:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:07:47,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-12-03 02:07:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-12-03 02:07:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:07:57,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2023-12-03 02:08:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2023-12-03 02:08:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:08:02,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:02,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2023-12-03 02:08:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2023-12-03 02:08:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:08:14,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:08:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:08:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:08:26,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2023-12-03 02:08:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2023-12-03 02:08:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:08:39,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:39,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 86 states and 207 transitions. [2023-12-03 02:08:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 207 transitions. [2023-12-03 02:08:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:08:54,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 99 states and 252 transitions. [2023-12-03 02:09:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 252 transitions. [2023-12-03 02:09:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:10,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 101 states and 257 transitions. [2023-12-03 02:09:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 257 transitions. [2023-12-03 02:09:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:15,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:15,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 109 states and 281 transitions. [2023-12-03 02:09:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 281 transitions. [2023-12-03 02:09:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:20,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 126 states and 331 transitions. [2023-12-03 02:09:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 331 transitions. [2023-12-03 02:09:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:44,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 127 states and 337 transitions. [2023-12-03 02:09:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 337 transitions. [2023-12-03 02:09:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:49,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 134 states and 364 transitions. [2023-12-03 02:09:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 364 transitions. [2023-12-03 02:09:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:09:58,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:58,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:10:01,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:01,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 136 states and 374 transitions. [2023-12-03 02:10:01,020 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 374 transitions. [2023-12-03 02:10:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:10:01,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:01,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:10:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 143 states and 408 transitions. [2023-12-03 02:10:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 408 transitions. [2023-12-03 02:10:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:10:12,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:10:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 152 states and 435 transitions. [2023-12-03 02:10:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 435 transitions. [2023-12-03 02:10:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:10:22,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:10:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 158 states and 458 transitions. [2023-12-03 02:10:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 458 transitions. [2023-12-03 02:10:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:10:32,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:10:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 158 states and 457 transitions. [2023-12-03 02:10:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 457 transitions. [2023-12-03 02:10:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:10:33,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:12:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 183 states and 559 transitions. [2023-12-03 02:12:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 559 transitions. [2023-12-03 02:12:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:12:21,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:12:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:14:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 208 states and 665 transitions. [2023-12-03 02:14:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 665 transitions. [2023-12-03 02:14:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:14:16,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:16:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 227 states and 751 transitions. [2023-12-03 02:16:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 751 transitions. [2023-12-03 02:16:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:16:47,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:47,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:16:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:19:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 252 states and 865 transitions. [2023-12-03 02:19:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 865 transitions. [2023-12-03 02:19:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:19:49,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:49,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:19:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.