./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const_m3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const_m3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL --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 bd654f01b412711828f8177df5f8f7c2933e3d7436939e6c61fdcced19c9515c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:32,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:33,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:33,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:33,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:33,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:33,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:33,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:33,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:33,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:33,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:33,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:33,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:33,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:33,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:33,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:33,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:33,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:33,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:33,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:33,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:33,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:33,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:33,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:33,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:33,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:33,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:33,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:33,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:33,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:33,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:33,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:33,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:33,167 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_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd654f01b412711828f8177df5f8f7c2933e3d7436939e6c61fdcced19c9515c [2023-11-19 03:03:33,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:33,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:33,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:33,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:33,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:33,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2023-11-19 03:03:36,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:36,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:36,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2023-11-19 03:03:36,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/data/25b3ecec6/12ef8760f26a442cb7331ede954362d9/FLAG87bbff0c7 [2023-11-19 03:03:36,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/data/25b3ecec6/12ef8760f26a442cb7331ede954362d9 [2023-11-19 03:03:36,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:36,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:36,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:36,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:36,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:36,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a074b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:36, skipping insertion in model container [2023-11-19 03:03:36,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:36" (1/1) ... [2023-11-19 03:03:36,828 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:36,987 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_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/sv-benchmarks/c/array-crafted/zero_sum_const_m3.c[408,421] [2023-11-19 03:03:37,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:37,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:37,033 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_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/sv-benchmarks/c/array-crafted/zero_sum_const_m3.c[408,421] [2023-11-19 03:03:37,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:37,057 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:37,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37 WrapperNode [2023-11-19 03:03:37,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:37,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:37,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:37,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:37,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,109 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-19 03:03:37,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:37,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:37,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:37,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:37,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:37,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:37,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:37,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:37,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:37,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:37,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:37,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199c4f70-55e8-4447-9cf0-8969e4f8f3d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:03:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:37,280 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:37,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:37,480 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:37,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:37,544 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 03:03:37,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:37 BoogieIcfgContainer [2023-11-19 03:03:37,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:37,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:37,549 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:37,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:37,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:37" (1/1) ... [2023-11-19 03:03:37,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2023-11-19 03:03:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2023-11-19 03:03:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:37,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-19 03:03:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-19 03:03:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:03:38,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:03:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-19 03:03:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-19 03:03:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:38,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-19 03:03:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-19 03:03:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:03:38,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:03:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-19 03:03:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-19 03:03:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:38,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-19 03:03:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-19 03:03:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:38,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:03:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-11-19 03:03:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-11-19 03:03:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:38,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2023-11-19 03:03:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2023-11-19 03:03:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:03:39,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2023-11-19 03:03:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2023-11-19 03:03:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:39,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-19 03:03:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 03:03:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:03:39,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:03:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:03:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:03:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:03:39,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 03:03:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 03:03:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:03:39,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:03:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2023-11-19 03:03:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2023-11-19 03:03:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:03:39,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:03:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2023-11-19 03:03:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-19 03:03:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:39,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:03:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:03:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:03:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:39,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 103 transitions. [2023-11-19 03:03:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2023-11-19 03:03:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:47,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2023-11-19 03:03:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2023-11-19 03:03:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:49,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:49,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 111 transitions. [2023-11-19 03:03:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2023-11-19 03:03:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:51,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:51,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:52,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2023-11-19 03:03:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2023-11-19 03:03:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:52,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2023-11-19 03:03:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2023-11-19 03:03:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:54,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2023-11-19 03:03:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-19 03:03:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:56,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 143 transitions. [2023-11-19 03:03:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-19 03:03:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:58,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:03:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 75 states and 143 transitions. [2023-11-19 03:03:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2023-11-19 03:03:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:58,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:04:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2023-11-19 03:04:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2023-11-19 03:04:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:04:01,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:04:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 81 states and 151 transitions. [2023-11-19 03:04:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 151 transitions. [2023-11-19 03:04:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:04:04,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:04:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 86 states and 160 transitions. [2023-11-19 03:04:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2023-11-19 03:04:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:04:06,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:04:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 82 states and 151 transitions. [2023-11-19 03:04:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2023-11-19 03:04:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:04:07,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:07,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:04:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 78 states and 142 transitions. [2023-11-19 03:04:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2023-11-19 03:04:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:04:08,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:08,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 03:04:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 83 states and 150 transitions. [2023-11-19 03:04:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 150 transitions. [2023-11-19 03:04:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:04:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:04:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 148 transitions. [2023-11-19 03:04:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 148 transitions. [2023-11-19 03:04:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:04:11,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:04:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2023-11-19 03:04:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2023-11-19 03:04:12,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:04:12,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:04:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 80 states and 140 transitions. [2023-11-19 03:04:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 140 transitions. [2023-11-19 03:04:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:04:13,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.