./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/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 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:58,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:58,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:58,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:58,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:58,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:58,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:58,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:58,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:58,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:58,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:58,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:58,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:58,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:58,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:58,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:58,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:58,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:58,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:58,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:58,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:58,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:58,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:58,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:58,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:58,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:58,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:58,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:58,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:58,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:58,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:58,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:58,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:58,630 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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f [2023-11-19 02:52:58,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:58,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:58,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:58,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:58,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:58,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2023-11-19 02:53:01,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:02,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:02,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2023-11-19 02:53:02,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/data/f7d22f563/ebf8dd6fa7be47dba547f31014370fa2/FLAG7f07fff84 [2023-11-19 02:53:02,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/data/f7d22f563/ebf8dd6fa7be47dba547f31014370fa2 [2023-11-19 02:53:02,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:02,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:02,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:02,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:02,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:02,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7072839c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02, skipping insertion in model container [2023-11-19 02:53:02,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:02,336 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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] [2023-11-19 02:53:02,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:02,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:02,373 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_5428727d-bfa7-4d80-8bfa-c425fa9d497a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] [2023-11-19 02:53:02,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:02,393 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:02,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02 WrapperNode [2023-11-19 02:53:02,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:02,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:02,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:02,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:02,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,448 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 02:53:02,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:02,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:02,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:02,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:02,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:02,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:02,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:02,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:02,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:02,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:02,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5428727d-bfa7-4d80-8bfa-c425fa9d497a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:02,634 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:02,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:02,769 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:02,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:02,789 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:53:02,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:02 BoogieIcfgContainer [2023-11-19 02:53:02,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:02,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:02,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:02,805 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:02,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:02" (1/1) ... [2023-11-19 02:53:02,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 02:53:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 02:53:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:02,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,022 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 02:53:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 02:53:03,046 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 02:53:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:03,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,154 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 02:53:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:53:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:53:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:03,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,490 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 02:53:03,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 02:53:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 02:53:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:03,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:03,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 02:53:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:53:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:04,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:04,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:04,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:53:04,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:53:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 02:53:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 02:53:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:53:04,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:04,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:04,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 02:53:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 02:53:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:53:05,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:05,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:05,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 94 transitions. [2023-11-19 02:53:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-19 02:53:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:53:06,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:06,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:06,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:06,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 96 transitions. [2023-11-19 02:53:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2023-11-19 02:53:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:53:07,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:07,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:07,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:53:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 111 transitions. [2023-11-19 02:53:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2023-11-19 02:53:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:07,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:07,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:07,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:53:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 51 states and 118 transitions. [2023-11-19 02:53:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 118 transitions. [2023-11-19 02:53:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:09,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:09,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:09,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:53:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 51 states and 117 transitions. [2023-11-19 02:53:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2023-11-19 02:53:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:53:10,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:10,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:10,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:53:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 127 transitions. [2023-11-19 02:53:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2023-11-19 02:53:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:53:10,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:10,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:53:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 54 states and 133 transitions. [2023-11-19 02:53:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 133 transitions. [2023-11-19 02:53:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:53:10,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:10,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:53:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 57 states and 147 transitions. [2023-11-19 02:53:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 147 transitions. [2023-11-19 02:53:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:11,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:11,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:11,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:53:11,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:53:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 59 states and 149 transitions. [2023-11-19 02:53:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 149 transitions. [2023-11-19 02:53:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:12,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:12,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:12,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:53:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 65 states and 169 transitions. [2023-11-19 02:53:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 169 transitions. [2023-11-19 02:53:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:13,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:13,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:53:13,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:53:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 171 transitions. [2023-11-19 02:53:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2023-11-19 02:53:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:14,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:14,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:14,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:53:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 71 states and 212 transitions. [2023-11-19 02:53:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 212 transitions. [2023-11-19 02:53:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:53:15,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:15,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:15,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:15,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 02:53:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 74 states and 227 transitions. [2023-11-19 02:53:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 227 transitions. [2023-11-19 02:53:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:53:16,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:16,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:53:16,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:53:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 78 states and 244 transitions. [2023-11-19 02:53:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 244 transitions. [2023-11-19 02:53:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:53:18,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:18,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:53:18,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:53:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 80 states and 245 transitions. [2023-11-19 02:53:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 245 transitions. [2023-11-19 02:53:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:53:19,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:19,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:19,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:53:19,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:53:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 82 states and 246 transitions. [2023-11-19 02:53:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 246 transitions. [2023-11-19 02:53:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:53:20,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:20,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:20,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:20,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 02:53:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 84 states and 257 transitions. [2023-11-19 02:53:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 257 transitions. [2023-11-19 02:53:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:53:23,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:53:23,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:53:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 85 states and 266 transitions. [2023-11-19 02:53:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 266 transitions. [2023-11-19 02:53:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:53:24,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:53:24,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:53:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 88 states and 289 transitions. [2023-11-19 02:53:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 289 transitions. [2023-11-19 02:53:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:25,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:53:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 94 states and 313 transitions. [2023-11-19 02:53:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 313 transitions. [2023-11-19 02:53:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:27,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:53:27,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:53:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 96 states and 315 transitions. [2023-11-19 02:53:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 315 transitions. [2023-11-19 02:53:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:28,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:53:29,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 98 states and 317 transitions. [2023-11-19 02:53:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 317 transitions. [2023-11-19 02:53:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:29,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:29,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:29,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:53:29,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:53:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 100 states and 319 transitions. [2023-11-19 02:53:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 319 transitions. [2023-11-19 02:53:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:30,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:53:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 104 states and 380 transitions. [2023-11-19 02:53:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 380 transitions. [2023-11-19 02:53:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:31,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:31,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:53:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 104 states and 379 transitions. [2023-11-19 02:53:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 379 transitions. [2023-11-19 02:53:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:53:32,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:32,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-19 02:53:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 106 states and 390 transitions. [2023-11-19 02:53:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 390 transitions. [2023-11-19 02:53:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:32,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:53:32,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:53:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 110 states and 412 transitions. [2023-11-19 02:53:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 412 transitions. [2023-11-19 02:53:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:36,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:36,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:53:36,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:53:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 107 states and 400 transitions. [2023-11-19 02:53:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 400 transitions. [2023-11-19 02:53:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:38,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:38,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:53:38,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:53:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 109 states and 401 transitions. [2023-11-19 02:53:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 401 transitions. [2023-11-19 02:53:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:40,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:40,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:53:40,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:53:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 111 states and 402 transitions. [2023-11-19 02:53:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 402 transitions. [2023-11-19 02:53:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:53:42,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:42,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:53:42,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:53:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 112 states and 414 transitions. [2023-11-19 02:53:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 414 transitions. [2023-11-19 02:53:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:53:44,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:44,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:53:44,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 115 states and 443 transitions. [2023-11-19 02:53:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 443 transitions. [2023-11-19 02:53:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:45,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:45,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:45,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 117 states and 445 transitions. [2023-11-19 02:53:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 445 transitions. [2023-11-19 02:53:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:46,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:46,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:46,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 119 states and 447 transitions. [2023-11-19 02:53:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 447 transitions. [2023-11-19 02:53:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:48,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:48,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:48,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 121 states and 449 transitions. [2023-11-19 02:53:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 449 transitions. [2023-11-19 02:53:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:49,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:49,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:49,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:53:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 127 states and 477 transitions. [2023-11-19 02:53:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 477 transitions. [2023-11-19 02:53:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:52,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:52,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:52,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 129 states and 479 transitions. [2023-11-19 02:53:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 479 transitions. [2023-11-19 02:53:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:53:53,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:53,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.