./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:21,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:21,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:34:21,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:34:21,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:34:21,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:21,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:34:21,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:34:21,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:21,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:21,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:21,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:34:21,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:34:21,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:34:21,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:34:21,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:21,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:34:21,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:21,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:34:21,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:34:21,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:34:21,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:21,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:21,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:21,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:21,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:21,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:21,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:21,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:21,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:34:21,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:34:21,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:34:21,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:34:21,445 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_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-12-02 21:34:21,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:21,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:21,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:21,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:21,682 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:21,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2023-12-02 21:34:24,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:24,619 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:24,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2023-12-02 21:34:24,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/data/d743fc006/639ba240df744648aedafb40f67bd72a/FLAG6a3e77f51 [2023-12-02 21:34:24,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/data/d743fc006/639ba240df744648aedafb40f67bd72a [2023-12-02 21:34:24,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:24,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:24,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:24,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:24,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:24,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee20a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24, skipping insertion in model container [2023-12-02 21:34:24,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:24,824 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_7cec66c0-d001-4202-aa88-85ae7ab7c970/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2023-12-02 21:34:24,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:24,848 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:24,860 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_7cec66c0-d001-4202-aa88-85ae7ab7c970/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2023-12-02 21:34:24,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:24,880 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:24,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24 WrapperNode [2023-12-02 21:34:24,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:24,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:24,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:24,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:24,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,914 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 21:34:24,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:24,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:24,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:24,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:24,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:24,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:24,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:24,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:24,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:24" (1/1) ... [2023-12-02 21:34:24,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:24,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:24,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cec66c0-d001-4202-aa88-85ae7ab7c970/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:34:25,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:34:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:34:25,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:25,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:25,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:34:25,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:34:25,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:25,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:25,195 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:25,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:25,234 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:34:25,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:25 BoogieIcfgContainer [2023-12-02 21:34:25,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:25,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:25,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:25,244 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:25,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:25" (1/1) ... [2023-12-02 21:34:25,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-02 21:34:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-02 21:34:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:34:25,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:25,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:25,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:34:25,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:34:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-02 21:34:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-02 21:34:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:34:25,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:25,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:34:25,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:34:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions. [2023-12-02 21:34:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-02 21:34:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:34:26,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:26,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:34:26,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:34:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions. [2023-12-02 21:34:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 21:34:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:34:26,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:26,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:34:26,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:34:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions. [2023-12-02 21:34:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-12-02 21:34:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:34:27,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:27,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:34:27,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:34:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions. [2023-12-02 21:34:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-12-02 21:34:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:34:28,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:28,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:28,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:34:28,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:34:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 56 transitions. [2023-12-02 21:34:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-12-02 21:34:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:34:30,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:30,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:30,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 21:34:30,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:34:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 80 transitions. [2023-12-02 21:34:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-12-02 21:34:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:34:34,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:34,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:34:34,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:34:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 86 transitions. [2023-12-02 21:34:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-02 21:34:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:34:37,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:37,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:37,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:34:37,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:34:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 94 transitions. [2023-12-02 21:34:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2023-12-02 21:34:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:34:41,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:41,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:41,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:34:41,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 23 proven. 46 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 21:34:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 96 transitions. [2023-12-02 21:34:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2023-12-02 21:34:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:34:45,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:45,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 21:34:45,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 21:34:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 109 transitions. [2023-12-02 21:34:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-12-02 21:34:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:34:51,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:51,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:34:51,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 32 proven. 62 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 21:34:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 111 transitions. [2023-12-02 21:34:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2023-12-02 21:34:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:34:56,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:56,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:56,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:34:56,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 40 proven. 82 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 21:35:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 118 transitions. [2023-12-02 21:35:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2023-12-02 21:35:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:35:03,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:03,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:03,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:35:03,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-02 21:35:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 120 transitions. [2023-12-02 21:35:09,210 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2023-12-02 21:35:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:35:09,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:09,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:35:09,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 37 proven. 101 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 21:35:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 128 transitions. [2023-12-02 21:35:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2023-12-02 21:35:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:35:19,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:20,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:35:20,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 37 proven. 101 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 21:35:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 129 transitions. [2023-12-02 21:35:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2023-12-02 21:35:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:35:26,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:26,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:26,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:35:26,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 42 proven. 127 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-02 21:35:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 71 states and 137 transitions. [2023-12-02 21:35:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-12-02 21:35:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:35:39,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:39,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:39,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:35:39,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 42 proven. 127 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-02 21:35:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 138 transitions. [2023-12-02 21:35:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2023-12-02 21:35:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:35:49,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:49,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:35:49,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-02 21:36:07,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 75 states and 147 transitions. [2023-12-02 21:36:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2023-12-02 21:36:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:36:07,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:07,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:36:07,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 63 proven. 160 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 21:36:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 76 states and 149 transitions. [2023-12-02 21:36:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2023-12-02 21:36:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:36:18,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:18,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:36:18,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 52 proven. 188 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-02 21:36:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 82 states and 164 transitions. [2023-12-02 21:36:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions. [2023-12-02 21:36:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:36:42,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:42,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:42,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:36:42,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 71 proven. 192 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-02 21:37:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 85 states and 171 transitions. [2023-12-02 21:37:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 171 transitions. [2023-12-02 21:37:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:37:03,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:03,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:03,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:37:03,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 52 proven. 188 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-02 21:37:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 171 transitions. [2023-12-02 21:37:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2023-12-02 21:37:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:37:12,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:12,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:12,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:37:12,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 83 proven. 224 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 21:37:28,470 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 253 DAG size of output: 252 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:37:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 89 states and 179 transitions. [2023-12-02 21:37:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 179 transitions. [2023-12-02 21:37:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:37:37,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:37,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:37:37,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-12-02 21:38:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 92 states and 186 transitions. [2023-12-02 21:38:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 186 transitions. [2023-12-02 21:38:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:38:02,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:02,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:02,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:38:02,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-12-02 21:38:19,272 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 277 DAG size of output: 244 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:38:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 93 states and 187 transitions. [2023-12-02 21:38:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 187 transitions. [2023-12-02 21:38:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:38:23,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:23,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:38:23,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-12-02 21:38:39,511 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 254 DAG size of output: 250 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:38:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 96 states and 194 transitions. [2023-12-02 21:38:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 194 transitions. [2023-12-02 21:38:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:38:49,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:49,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:49,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:38:49,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 91 proven. 303 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-12-02 21:39:06,156 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 276 DAG size of output: 272 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:39:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 97 states and 196 transitions. [2023-12-02 21:39:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 196 transitions. [2023-12-02 21:39:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:39:11,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:11,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:11,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:39:11,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 97 proven. 331 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-12-02 21:39:32,503 WARN L293 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 290 DAG size of output: 285 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:39:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 203 transitions. [2023-12-02 21:39:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 203 transitions. [2023-12-02 21:39:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:39:45,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:45,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:39:45,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 74 proven. 327 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 21:40:07,003 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 312 DAG size of output: 309 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:40:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 205 transitions. [2023-12-02 21:40:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 205 transitions. [2023-12-02 21:40:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:40:13,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 85 proven. 368 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-12-02 21:40:38,231 WARN L293 SmtUtils]: Spent 9.32s on a formula simplification. DAG size of input: 326 DAG size of output: 318 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:40:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 104 states and 212 transitions. [2023-12-02 21:40:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 212 transitions. [2023-12-02 21:40:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:40:52,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:52,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:40:52,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 85 proven. 368 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-12-02 21:41:15,959 WARN L293 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 350 DAG size of output: 344 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:41:23,703 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 345 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:41:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 105 states and 214 transitions. [2023-12-02 21:41:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 214 transitions. [2023-12-02 21:41:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:41:24,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:24,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:41:24,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 119 proven. 422 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-12-02 21:41:52,015 WARN L293 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 360 DAG size of output: 354 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:42:00,526 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 355 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:42:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 108 states and 221 transitions. [2023-12-02 21:42:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 221 transitions. [2023-12-02 21:42:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:42:09,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 97 proven. 412 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2023-12-02 21:43:03,123 WARN L293 SmtUtils]: Spent 12.39s on a formula simplification. DAG size of input: 393 DAG size of output: 387 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:43:12,999 WARN L293 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 388 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:43:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 119 states and 244 transitions. [2023-12-02 21:43:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 244 transitions. [2023-12-02 21:43:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:43:14,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:14,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:14,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:43:14,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 76 proven. 393 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-12-02 21:43:45,293 WARN L293 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 416 DAG size of output: 380 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:43:54,146 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:43:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 120 states and 246 transitions. [2023-12-02 21:43:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 246 transitions. [2023-12-02 21:43:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 21:43:54,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:54,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:43:54,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 92 proven. 474 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-12-02 21:44:30,487 WARN L293 SmtUtils]: Spent 15.50s on a formula simplification. DAG size of input: 417 DAG size of output: 415 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:44:42,127 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 416 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:44:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 123 states and 254 transitions. [2023-12-02 21:44:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 254 transitions. [2023-12-02 21:44:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 21:44:53,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:53,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:44:53,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 122 proven. 444 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-12-02 21:45:30,030 WARN L293 SmtUtils]: Spent 16.74s on a formula simplification. DAG size of input: 391 DAG size of output: 389 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:45:40,687 WARN L293 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 390 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:45:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 124 states and 255 transitions. [2023-12-02 21:45:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 255 transitions. [2023-12-02 21:45:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:45:41,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:41,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:41,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:45:41,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 86 proven. 496 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-12-02 21:46:24,427 WARN L293 SmtUtils]: Spent 17.84s on a formula simplification. DAG size of input: 459 DAG size of output: 454 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:46:38,004 WARN L293 SmtUtils]: Spent 9.29s on a formula simplification that was a NOOP. DAG size: 455 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:46:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 127 states and 263 transitions. [2023-12-02 21:46:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 263 transitions. [2023-12-02 21:46:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:46:50,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:51,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:46:51,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 130 proven. 497 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-12-02 21:47:33,742 WARN L293 SmtUtils]: Spent 18.14s on a formula simplification. DAG size of input: 433 DAG size of output: 426 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:47:46,429 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification that was a NOOP. DAG size: 427 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:47:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 128 states and 264 transitions. [2023-12-02 21:47:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 264 transitions. [2023-12-02 21:47:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 21:47:47,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:47,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 21:47:47,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 112 proven. 580 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2023-12-02 21:49:07,999 WARN L293 SmtUtils]: Spent 22.37s on a formula simplification. DAG size of input: 502 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:49:23,700 WARN L293 SmtUtils]: Spent 11.36s on a formula simplification that was a NOOP. DAG size: 500 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)