./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label41.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_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/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_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/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_cf45437a-363e-47db-8b5a-21de52ee72ce/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 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:51,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:51,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:20:51,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:51,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:51,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:51,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:51,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:51,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:51,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:51,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:51,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:51,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:51,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:51,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:51,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:51,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:51,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:51,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:51,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:51,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:51,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:51,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:51,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:51,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:51,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:51,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:51,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:51,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:51,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:51,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:51,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:51,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:51,856 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_cf45437a-363e-47db-8b5a-21de52ee72ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 [2023-11-19 03:20:52,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:52,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:52,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:52,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:52,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:52,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2023-11-19 03:20:55,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:55,862 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:55,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2023-11-19 03:20:55,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/data/37c7ef5a0/e9fd7bc599f242db83a0a847d6c0ff1c/FLAGcac072a18 [2023-11-19 03:20:56,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/data/37c7ef5a0/e9fd7bc599f242db83a0a847d6c0ff1c [2023-11-19 03:20:56,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:56,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:56,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:56,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:56,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:56,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:56" (1/1) ... [2023-11-19 03:20:56,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345b282c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:56, skipping insertion in model container [2023-11-19 03:20:56,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:56" (1/1) ... [2023-11-19 03:20:56,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:57,870 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_cf45437a-363e-47db-8b5a-21de52ee72ce/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2023-11-19 03:20:57,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:57,900 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:58,527 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_cf45437a-363e-47db-8b5a-21de52ee72ce/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2023-11-19 03:20:58,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:58,561 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:58,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58 WrapperNode [2023-11-19 03:20:58,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:58,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:58,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:58,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:58,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,814 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:20:58,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:58,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:58,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:58,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:58,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:59,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:59,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:59,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:59,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:59,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:59,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf45437a-363e-47db-8b5a-21de52ee72ce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:59,358 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:59,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:04,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:04,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:04,583 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:04,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:04 BoogieIcfgContainer [2023-11-19 03:21:04,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:04,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:04,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:04,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:04,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:04" (1/1) ... [2023-11-19 03:21:04,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:21:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:21:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:21:04,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:04,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:07,387 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 03:21:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1516 states and 2310 transitions. [2023-11-19 03:21:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2310 transitions. [2023-11-19 03:21:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:21:12,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:12,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1519 states and 2315 transitions. [2023-11-19 03:21:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2315 transitions. [2023-11-19 03:21:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 03:21:14,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1528 states and 2327 transitions. [2023-11-19 03:21:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2327 transitions. [2023-11-19 03:21:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 03:21:15,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1538 states and 2341 transitions. [2023-11-19 03:21:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2341 transitions. [2023-11-19 03:21:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:21:16,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1550 states and 2358 transitions. [2023-11-19 03:21:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2358 transitions. [2023-11-19 03:21:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:21:18,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:21:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1551 states and 2359 transitions. [2023-11-19 03:21:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2359 transitions. [2023-11-19 03:21:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 03:21:21,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:21:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1565 states and 2377 transitions. [2023-11-19 03:21:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2377 transitions. [2023-11-19 03:21:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 03:21:22,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:22,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:21:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1568 states and 2380 transitions. [2023-11-19 03:21:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2380 transitions. [2023-11-19 03:21:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2023-11-19 03:21:23,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:23,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:21:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1594 states and 2406 transitions. [2023-11-19 03:21:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2406 transitions. [2023-11-19 03:21:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2023-11-19 03:21:24,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:24,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:21:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 1630 states and 2444 transitions. [2023-11-19 03:21:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2444 transitions. [2023-11-19 03:21:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2023-11-19 03:21:26,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 1675 states and 2492 transitions. [2023-11-19 03:21:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2492 transitions. [2023-11-19 03:21:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-19 03:21:27,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:29,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1736 states and 2559 transitions. [2023-11-19 03:21:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2559 transitions. [2023-11-19 03:21:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-19 03:21:29,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:29,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:21:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 1738 states and 2560 transitions. [2023-11-19 03:21:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2560 transitions. [2023-11-19 03:21:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2023-11-19 03:21:30,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 1806 states and 2635 transitions. [2023-11-19 03:21:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2635 transitions. [2023-11-19 03:21:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2023-11-19 03:21:33,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 1861 states and 2697 transitions. [2023-11-19 03:21:35,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2697 transitions. [2023-11-19 03:21:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-19 03:21:35,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:21:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 1868 states and 2704 transitions. [2023-11-19 03:21:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2704 transitions. [2023-11-19 03:21:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2023-11-19 03:21:37,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms