./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/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 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:34:57,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:34:57,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:34:57,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:34:57,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:34:57,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:34:57,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:34:57,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:34:57,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:34:57,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:34:57,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:34:57,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:34:57,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:34:57,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:34:57,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:34:57,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:34:57,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:34:57,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:34:57,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:34:57,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:34:57,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:34:57,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:34:57,758 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:34:57,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:34:57,759 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:34:57,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:34:57,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:34:57,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:34:57,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:34:57,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:34:57,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:34:57,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:34:57,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:34:57,762 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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2023-12-03 04:34:57,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:34:57,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:34:57,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:34:57,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:34:57,991 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:34:57,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-12-03 04:35:00,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:35:00,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:35:00,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-12-03 04:35:00,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/data/6862fda9b/0a17844a26f3464bbe5ba8ed11eed1c9/FLAG0f16027d5 [2023-12-03 04:35:00,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/data/6862fda9b/0a17844a26f3464bbe5ba8ed11eed1c9 [2023-12-03 04:35:00,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:35:00,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:35:00,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:35:00,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:35:00,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:35:00,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:35:00" (1/1) ... [2023-12-03 04:35:00,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109ac198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:00, skipping insertion in model container [2023-12-03 04:35:00,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:35:00" (1/1) ... [2023-12-03 04:35:00,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:35:01,036 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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c[597,610] [2023-12-03 04:35:01,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:35:01,063 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:35:01,076 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_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c[597,610] [2023-12-03 04:35:01,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:35:01,097 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:35:01,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01 WrapperNode [2023-12-03 04:35:01,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:35:01,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:35:01,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:35:01,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:35:01,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,128 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-12-03 04:35:01,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:35:01,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:35:01,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:35:01,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:35:01,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:35:01,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:35:01,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:35:01,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:35:01,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:35:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:35:01,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:35:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aac87d3-b110-4fd4-a0f3-b7d58a398f88/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:35:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:35:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:35:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:35:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:35:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:35:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:35:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:35:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:35:01,293 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:35:01,295 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:35:01,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:35:01,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:35:01,470 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:35:01,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:35:01 BoogieIcfgContainer [2023-12-03 04:35:01,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:35:01,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:35:01,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:35:01,483 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:35:01,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:35:01" (1/1) ... [2023-12-03 04:35:01,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:35:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 04:35:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 04:35:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:35:01,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:01,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:01,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 04:35:01,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:35:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-12-03 04:35:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-03 04:35:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:35:01,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:02,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:35:02,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:35:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2023-12-03 04:35:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-12-03 04:35:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:35:02,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:02,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 04:35:02,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:35:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 57 transitions. [2023-12-03 04:35:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-12-03 04:35:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:35:04,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:04,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 04:35:04,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:35:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 78 transitions. [2023-12-03 04:35:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2023-12-03 04:35:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:35:06,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:06,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 04:35:07,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:35:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 79 transitions. [2023-12-03 04:35:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2023-12-03 04:35:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:35:08,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:08,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 04:35:08,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:35:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 87 transitions. [2023-12-03 04:35:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2023-12-03 04:35:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:35:11,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:11,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:11,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 04:35:11,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:35:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 99 transitions. [2023-12-03 04:35:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2023-12-03 04:35:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:35:14,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:14,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 04:35:14,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:35:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 104 transitions. [2023-12-03 04:35:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2023-12-03 04:35:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:35:18,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:18,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 04:35:18,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:35:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 116 transitions. [2023-12-03 04:35:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-12-03 04:35:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:35:23,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:23,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 04:35:23,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:35:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 56 states and 121 transitions. [2023-12-03 04:35:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 121 transitions. [2023-12-03 04:35:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:35:30,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:30,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:30,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 04:35:30,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-03 04:35:38,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 60 states and 133 transitions. [2023-12-03 04:35:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 133 transitions. [2023-12-03 04:35:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:35:38,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:38,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 04:35:38,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-03 04:35:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 138 transitions. [2023-12-03 04:35:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 138 transitions. [2023-12-03 04:35:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:35:50,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:50,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:50,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 04:35:50,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 24 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-03 04:36:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 150 transitions. [2023-12-03 04:36:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 150 transitions. [2023-12-03 04:36:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:36:01,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:01,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:01,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 04:36:01,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 22 proven. 71 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 04:36:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 80 states and 203 transitions. [2023-12-03 04:36:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 203 transitions. [2023-12-03 04:36:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 04:36:47,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:47,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:47,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 04:36:47,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 61 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 04:37:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 84 states and 208 transitions. [2023-12-03 04:37:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 208 transitions. [2023-12-03 04:37:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:37:04,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:04,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-03 04:37:04,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 04:37:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 222 transitions. [2023-12-03 04:37:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 222 transitions. [2023-12-03 04:37:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:37:22,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:23,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-03 04:37:23,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 103 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-03 04:38:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 91 states and 232 transitions. [2023-12-03 04:38:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 232 transitions. [2023-12-03 04:38:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 04:38:18,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:19,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 04:38:19,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 19 proven. 90 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-03 04:38:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 92 states and 233 transitions. [2023-12-03 04:38:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 233 transitions. [2023-12-03 04:38:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:38:27,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:27,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 04:38:27,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 34 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-03 04:38:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 96 states and 247 transitions. [2023-12-03 04:38:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 247 transitions. [2023-12-03 04:38:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:38:52,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:52,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 04:38:52,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 34 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-03 04:39:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 96 states and 238 transitions. [2023-12-03 04:39:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 238 transitions. [2023-12-03 04:39:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:39:14,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:14,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:15,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 04:39:15,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 33 proven. 104 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-03 04:40:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 100 states and 259 transitions. [2023-12-03 04:40:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 259 transitions. [2023-12-03 04:40:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:40:03,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:03,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:03,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-03 04:40:03,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 27 proven. 124 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 04:40:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 104 states and 273 transitions. [2023-12-03 04:40:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 273 transitions. [2023-12-03 04:40:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:40:35,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:35,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:35,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-03 04:40:35,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 27 proven. 124 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-03 04:41:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 104 states and 263 transitions. [2023-12-03 04:41:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 263 transitions. [2023-12-03 04:41:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:41:06,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:06,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:06,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 04:41:06,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 26 proven. 142 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-12-03 04:42:10,022 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 379 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:42:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 108 states and 285 transitions. [2023-12-03 04:42:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 285 transitions. [2023-12-03 04:42:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:42:11,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:12,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-03 04:42:12,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 44 proven. 139 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-03 04:42:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 112 states and 299 transitions. [2023-12-03 04:42:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 299 transitions. [2023-12-03 04:42:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:42:54,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:55,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 04:42:55,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 67 proven. 137 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-12-03 04:43:38,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 112 states and 288 transitions. [2023-12-03 04:43:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 288 transitions. [2023-12-03 04:43:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:43:38,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:38,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 04:43:38,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 43 proven. 159 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 04:44:56,548 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 431 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:45:10,821 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 432 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:45:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 116 states and 311 transitions. [2023-12-03 04:45:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 311 transitions. [2023-12-03 04:45:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:45:13,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:13,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-03 04:45:13,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 75 proven. 167 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-03 04:46:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 120 states and 326 transitions. [2023-12-03 04:46:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 326 transitions. [2023-12-03 04:46:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:46:12,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:12,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-03 04:46:13,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 75 proven. 167 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-03 04:47:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 120 states and 314 transitions. [2023-12-03 04:47:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 314 transitions. [2023-12-03 04:47:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:47:11,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:12,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-03 04:47:12,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 33 proven. 206 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-12-03 04:48:02,590 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 456 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:48:14,904 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 457 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:48:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 124 states and 339 transitions. [2023-12-03 04:48:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 339 transitions. [2023-12-03 04:48:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 04:48:16,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:16,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:16,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:48:16,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-12-03 04:48:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 125 states and 342 transitions. [2023-12-03 04:48:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 342 transitions. [2023-12-03 04:48:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 04:48:39,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:39,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:48:39,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-12-03 04:48:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 125 states and 330 transitions. [2023-12-03 04:48:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 330 transitions. [2023-12-03 04:48:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 04:48:43,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:43,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:44,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 04:48:44,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 82 proven. 222 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-12-03 04:49:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 129 states and 345 transitions. [2023-12-03 04:49:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 345 transitions. [2023-12-03 04:49:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 04:49:51,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:51,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:52,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 04:49:52,150 INFO L285 TraceCheckSpWp]: Computing forward predicates...