./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/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 2b0c2cb1ecd059dbefe4a6112265f206760814d225645cdc4eb3ad40059dcfbf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:30,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:30,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:30,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:30,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:30,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:30,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:30,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:30,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:30,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:30,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:30,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:30,609 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:30,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:30,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:30,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:30,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:30,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:30,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:30,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:30,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:30,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:30,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:30,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:30,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:30,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:30,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:30,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:30,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:30,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:30,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:30,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:30,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:30,619 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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0c2cb1ecd059dbefe4a6112265f206760814d225645cdc4eb3ad40059dcfbf [2023-11-19 03:07:30,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:30,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:30,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:30,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:30,967 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:30,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label42.c [2023-11-19 03:07:34,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:34,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:34,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/sv-benchmarks/c/eca-rers2012/Problem06_label42.c [2023-11-19 03:07:34,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/data/899d83e31/94efca62cd4b4f34b94d1f12fefa94cc/FLAGf0b813c9d [2023-11-19 03:07:34,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/data/899d83e31/94efca62cd4b4f34b94d1f12fefa94cc [2023-11-19 03:07:34,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:34,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:34,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:34,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:34,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:34,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760bc136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34, skipping insertion in model container [2023-11-19 03:07:34,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:35,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:37,253 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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/sv-benchmarks/c/eca-rers2012/Problem06_label42.c[335544,335557] [2023-11-19 03:07:37,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:37,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:38,524 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_29d8761b-afe5-480a-8f97-b5e84fed9c6b/sv-benchmarks/c/eca-rers2012/Problem06_label42.c[335544,335557] [2023-11-19 03:07:38,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:38,586 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:38,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38 WrapperNode [2023-11-19 03:07:38,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:38,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:38,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:38,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:38,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:38,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,077 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 03:07:39,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:39,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:39,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:39,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:39,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:39,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:39,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:39,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:39,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:39,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:39,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:39,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:39,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d8761b-afe5-480a-8f97-b5e84fed9c6b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:39,989 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:39,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:47,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:48,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:48,983 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:07:49,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:49 BoogieIcfgContainer [2023-11-19 03:07:49,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:49,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:49,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:49,016 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:49,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:49" (1/1) ... [2023-11-19 03:07:49,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 03:07:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 03:07:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 03:07:49,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:49,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:52,623 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 03:07:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1865 states and 3208 transitions. [2023-11-19 03:07:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3208 transitions. [2023-11-19 03:07:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 03:07:58,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:00,506 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 03:08:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1868 states and 3213 transitions. [2023-11-19 03:08:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3213 transitions. [2023-11-19 03:08:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 03:08:00,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1872 states and 3220 transitions. [2023-11-19 03:08:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3220 transitions. [2023-11-19 03:08:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 03:08:02,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1879 states and 3231 transitions. [2023-11-19 03:08:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3231 transitions. [2023-11-19 03:08:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 03:08:05,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1887 states and 3244 transitions. [2023-11-19 03:08:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3244 transitions. [2023-11-19 03:08:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 03:08:08,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,726 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 03:08:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 1896 states and 3258 transitions. [2023-11-19 03:08:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3258 transitions. [2023-11-19 03:08:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 03:08:10,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:11,304 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 03:08:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1902 states and 3266 transitions. [2023-11-19 03:08:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3266 transitions. [2023-11-19 03:08:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 03:08:11,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:12,736 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 03:08:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 1907 states and 3274 transitions. [2023-11-19 03:08:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3274 transitions. [2023-11-19 03:08:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2023-11-19 03:08:13,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 1911 states and 3279 transitions. [2023-11-19 03:08:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 3279 transitions. [2023-11-19 03:08:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2023-11-19 03:08:14,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:14,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat