./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/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_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/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_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:10:47,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:10:47,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:10:47,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:10:47,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:10:47,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:10:47,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:10:47,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:10:47,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:10:47,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:10:47,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:10:47,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:10:47,635 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:10:47,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:10:47,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:10:47,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:10:47,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:10:47,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:10:47,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:10:47,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:10:47,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:10:47,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:10:47,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:10:47,640 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:10:47,640 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:10:47,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:10:47,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:10:47,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:10:47,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:10:47,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:10:47,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:10:47,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:10:47,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:10:47,644 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_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2023-12-03 03:10:47,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:10:47,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:10:47,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:10:47,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:10:47,876 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:10:47,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-12-03 03:10:50,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:10:50,739 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:10:50,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-12-03 03:10:50,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/data/0c8a318a1/bd98808921f045abb78dec21cb35d0ee/FLAG9e7235b16 [2023-12-03 03:10:50,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/data/0c8a318a1/bd98808921f045abb78dec21cb35d0ee [2023-12-03 03:10:50,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:10:50,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:10:50,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:10:50,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:10:50,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:10:50,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:50,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24045c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50, skipping insertion in model container [2023-12-03 03:10:50,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:50,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:10:50,904 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_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2023-12-03 03:10:50,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:10:50,933 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:10:50,946 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_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2023-12-03 03:10:50,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:10:50,970 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:10:50,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50 WrapperNode [2023-12-03 03:10:50,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:10:50,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:10:50,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:10:50,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:10:50,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:50,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,007 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-12-03 03:10:51,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:10:51,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:10:51,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:10:51,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:10:51,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:10:51,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:10:51,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:10:51,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:10:51,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:50" (1/1) ... [2023-12-03 03:10:51,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:10:51,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:10:51,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:10:51,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9f898f-82cb-4197-a0f2-4841bb0de0e6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:10:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:10:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:10:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:10:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:10:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:10:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:10:51,142 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:10:51,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:10:51,295 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:10:51,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:10:51,388 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:10:51,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:10:51 BoogieIcfgContainer [2023-12-03 03:10:51,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:10:51,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:10:51,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:10:51,400 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:10:51,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:10:51" (1/1) ... [2023-12-03 03:10:51,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:10:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 03:10:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 03:10:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:10:51,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:51,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:10:51,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:10:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:10:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:10:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:10:51,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:51,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:10:51,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:10:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 03:10:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 03:10:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:10:51,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:51,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:10:51,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:10:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:10:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:10:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:10:52,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:52,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:10:52,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:10:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-12-03 03:10:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-12-03 03:10:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:10:53,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:53,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:53,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:10:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:10:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2023-12-03 03:10:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2023-12-03 03:10:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:10:54,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:55,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 03:10:55,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:11:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2023-12-03 03:11:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2023-12-03 03:11:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:11:00,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:11:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:00,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 03:11:00,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:11:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2023-12-03 03:11:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2023-12-03 03:11:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:11:03,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:11:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:03,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:11:03,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:11:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2023-12-03 03:11:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2023-12-03 03:11:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:11:04,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:04,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:11:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:04,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:11:04,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:11:36,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:11:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 46 states and 118 transitions. [2023-12-03 03:11:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 118 transitions. [2023-12-03 03:11:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:11:39,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:39,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:11:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:39,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:11:39,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:49,096 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:11:57,522 WARN L293 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:11:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:12:29,545 WARN L293 SmtUtils]: Spent 29.85s on a formula simplification. DAG size of input: 64 DAG size of output: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:12:53,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:12:58,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 03:12:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2023-12-03 03:12:58,491 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2023-12-03 03:12:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:58,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:58,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:58,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:12:58,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:12,928 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:13:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:13:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2023-12-03 03:13:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2023-12-03 03:13:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:13:14,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:14,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:13:14,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:29,404 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:13:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:13:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2023-12-03 03:13:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2023-12-03 03:13:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:13:29,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:29,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:29,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:13:29,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:13:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 54 states and 153 transitions. [2023-12-03 03:13:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 153 transitions. [2023-12-03 03:13:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:13:35,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:35,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:35,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:13:35,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:55,604 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:13:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:14:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 56 states and 156 transitions. [2023-12-03 03:14:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 156 transitions. [2023-12-03 03:14:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:14:02,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:02,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:14:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:02,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:14:02,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:12,931 WARN L293 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:14:22,613 WARN L293 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:14:34,387 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:14:54,397 WARN L293 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:04,475 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:14,503 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:24,560 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:34,611 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:44,618 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:15:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:15:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 56 states and 156 transitions. [2023-12-03 03:15:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 156 transitions. [2023-12-03 03:15:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:15:45,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:45,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:15:45,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 180 transitions. [2023-12-03 03:15:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 180 transitions. [2023-12-03 03:15:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:15:50,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:50,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:15:50,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:03,551 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:16:15,962 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:16:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:16:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 180 transitions. [2023-12-03 03:16:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 180 transitions. [2023-12-03 03:16:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:16:19,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:16:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:19,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:16:19,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:38,387 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:16:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:16:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 180 transitions. [2023-12-03 03:16:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 180 transitions. [2023-12-03 03:16:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:16:40,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:16:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:40,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:16:40,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:57,588 WARN L293 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:16:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:17:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:17:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:17:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:17:05,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:05,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:17:05,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:17:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:17:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:17:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:17:19,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:19,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:17:19,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:36,930 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:17:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:17:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:17:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:17:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:17:50,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:50,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:50,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:17:50,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:00,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:00,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:01,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:01,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:06,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:06,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:06,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:06,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:17,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:18,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:18,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:26,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:27,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:27,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:39,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:39,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:39,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:39,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:46,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:46,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:46,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:18:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:18:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:18:52,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:53,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:18:53,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:19:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2023-12-03 03:19:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2023-12-03 03:19:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:19:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:04,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:19:04,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:17,868 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:19:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:19:32,803 WARN L293 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 62 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:19:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:19:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:19:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:19:34,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:34,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:35,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:19:35,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:59,537 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:20:09,597 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:20:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:20:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:20:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:20:10,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:10,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:20:10,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:18,979 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:20:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:20:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:20:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:20:21,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:21,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:20:21,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:36,518 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:20:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:20:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:20:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:20:40,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:41,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:20:41,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:51,400 WARN L293 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:20:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:20:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:20:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:20:53,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:53,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:53,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:20:53,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:21:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:21:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:21:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:21:01,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:01,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:21:01,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:14,038 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:21:20,602 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:21:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:21:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:21:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:21:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:21:20,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:20,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:21,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:21:21,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:46,507 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:21:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:21:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:21:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:21:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:21:52,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:52,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:21:52,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:11,749 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:22:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:22:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:22:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:22:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:22:12,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:13,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:22:13,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:31,746 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:22:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:22:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:22:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:22:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:22:32,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:32,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:33,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:22:33,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:22:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:22:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:22:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:22:46,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:47,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:22:47,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:55,438 WARN L293 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:22:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:22:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:22:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:22:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:22:58,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:58,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:59,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:22:59,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:23:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:23:10,875 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:23:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:23:10,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:11,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:23:11,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:23:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:23:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:23:16,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:23:16,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:16,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:23:16,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:23:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:23:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:23:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:23:25,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:26,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:23:26,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:23:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:23:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:23:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:23:37,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:38,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:23:38,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,037 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:24:01,085 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:24:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:24:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:24:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:24:08,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:08,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:08,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:24:08,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:24:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:24:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:24:18,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:18,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:24:19,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:24:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:24:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:24:30,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:30,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:24:31,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:24:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:24:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:24:39,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:39,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:24:39,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:53,009 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:24:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:24:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:24:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:24:56,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:56,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:24:56,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:14,931 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:25:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:25:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:25:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:25:16,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:17,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:25:17,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:30,843 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:25:40,077 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:25:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 63 states and 186 transitions. [2023-12-03 03:25:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 186 transitions. [2023-12-03 03:25:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:25:40,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:40,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:40,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:25:40,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:54,309 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)