./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.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_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/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_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/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_07195b6f-3701-4e08-a9bf-33bc61931d07/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:12:08,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:12:08,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:12:08,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:12:08,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:12:08,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:12:08,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:12:08,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:12:08,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:12:08,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:12:08,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:12:08,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:12:08,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:12:08,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:12:08,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:12:08,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:12:08,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:12:08,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:12:08,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:12:08,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:12:08,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:12:08,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:12:08,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:12:08,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:12:08,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:12:08,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:12:08,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:12:08,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:12:08,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:12:08,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:12:08,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:12:08,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:12:08,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:12:08,966 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_07195b6f-3701-4e08-a9bf-33bc61931d07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2023-12-03 03:12:09,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:12:09,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:12:09,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:12:09,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:12:09,227 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:12:09,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-12-03 03:12:11,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:12:12,108 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:12:12,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-12-03 03:12:12,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/data/c5dfe6c82/2497f3a457f4489f8f7d2f39afbbd005/FLAG24a6640ca [2023-12-03 03:12:12,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/data/c5dfe6c82/2497f3a457f4489f8f7d2f39afbbd005 [2023-12-03 03:12:12,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:12:12,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:12:12,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:12:12,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:12:12,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:12:12,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bcd493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12, skipping insertion in model container [2023-12-03 03:12:12,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:12:12,309 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_07195b6f-3701-4e08-a9bf-33bc61931d07/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-12-03 03:12:12,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:12:12,337 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:12:12,349 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_07195b6f-3701-4e08-a9bf-33bc61931d07/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-12-03 03:12:12,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:12:12,371 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:12:12,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12 WrapperNode [2023-12-03 03:12:12,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:12:12,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:12:12,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:12:12,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:12:12,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,404 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-12-03 03:12:12,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:12:12,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:12:12,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:12:12,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:12:12,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:12:12,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:12:12,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:12:12,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:12:12,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:12:12,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:12:12,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:12:12,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07195b6f-3701-4e08-a9bf-33bc61931d07/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:12:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:12:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:12:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:12:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:12:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:12:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:12:12,560 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:12:12,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:12:12,677 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:12:12,715 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:12:12,716 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:12:12,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:12:12 BoogieIcfgContainer [2023-12-03 03:12:12,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:12:12,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:12:12,719 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:12:12,729 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:12:12,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:12:12" (1/1) ... [2023-12-03 03:12:12,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:12:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 03:12:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 03:12:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:12:12,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:12,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:12:12,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:12,965 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 03:12:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:12:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:12:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:12:12,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:13,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:12:13,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:13,085 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 03:12:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:13,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 03:12:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 03:12:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:12:13,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:13,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:13,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:12:13,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:13,233 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 03:12:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:12:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:12:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:12:13,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:13,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:13,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:12:13,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:13,927 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 03:12:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 03:12:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 03:12:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:12:14,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:14,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:12:14,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:14,330 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 03:12:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-12-03 03:12:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-12-03 03:12:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:12:14,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:14,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:14,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:12:14,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:15,033 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 03:12:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-12-03 03:12:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-12-03 03:12:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:12:15,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:15,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:12:15,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:15,846 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 03:12:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-12-03 03:12:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-12-03 03:12:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:12:16,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:16,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:12:16,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:12:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-12-03 03:12:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-12-03 03:12:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:16,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:16,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:12:16,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:16,482 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 03:12:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 99 transitions. [2023-12-03 03:12:17,293 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 99 transitions. [2023-12-03 03:12:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:17,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:17,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:17,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:12:17,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:17,456 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 03:12:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 113 transitions. [2023-12-03 03:12:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 113 transitions. [2023-12-03 03:12:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:18,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:18,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:12:18,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:18,403 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 03:12:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 114 transitions. [2023-12-03 03:12:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 114 transitions. [2023-12-03 03:12:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:18,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:18,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:18,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:12:18,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:18,855 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 03:12:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:19,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-12-03 03:12:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-12-03 03:12:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:19,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:19,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:12:19,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:19,656 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 03:12:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 130 transitions. [2023-12-03 03:12:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2023-12-03 03:12:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:12:20,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:20,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:12:20,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 68 states and 171 transitions. [2023-12-03 03:12:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 171 transitions. [2023-12-03 03:12:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:12:22,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:22,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:22,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:12:22,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 70 states and 173 transitions. [2023-12-03 03:12:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 173 transitions. [2023-12-03 03:12:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:22,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:22,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:12:22,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:12:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 78 states and 215 transitions. [2023-12-03 03:12:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 215 transitions. [2023-12-03 03:12:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:24,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:24,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:12:24,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:29,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:12:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 82 states and 233 transitions. [2023-12-03 03:12:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 233 transitions. [2023-12-03 03:12:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:29,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:29,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:12:29,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:12:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 82 states and 232 transitions. [2023-12-03 03:12:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 232 transitions. [2023-12-03 03:12:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:30,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:30,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:12:30,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:31,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:31,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 84 states and 233 transitions. [2023-12-03 03:12:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 233 transitions. [2023-12-03 03:12:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:31,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:31,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:12:31,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 86 states and 234 transitions. [2023-12-03 03:12:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 234 transitions. [2023-12-03 03:12:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:32,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:32,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:12:32,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:12:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 89 states and 237 transitions. [2023-12-03 03:12:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 237 transitions. [2023-12-03 03:12:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:12:33,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:33,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:12:33,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:12:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 89 states and 236 transitions. [2023-12-03 03:12:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 236 transitions. [2023-12-03 03:12:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:12:33,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:33,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:12:33,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:12:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 99 states and 287 transitions. [2023-12-03 03:12:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 287 transitions. [2023-12-03 03:12:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:12:37,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:37,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:37,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:12:37,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:12:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-12-03 03:12:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-12-03 03:12:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:12:39,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:39,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:39,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:12:39,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:12:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 104 states and 292 transitions. [2023-12-03 03:12:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 292 transitions. [2023-12-03 03:12:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:12:39,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:39,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:12:39,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:12:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 106 states and 294 transitions. [2023-12-03 03:12:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 294 transitions. [2023-12-03 03:12:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:12:40,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:40,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:41,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:12:41,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:12:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 110 states and 312 transitions. [2023-12-03 03:12:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 312 transitions. [2023-12-03 03:12:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:12:49,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:49,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:51,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 03:12:51,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:12:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 113 states and 318 transitions. [2023-12-03 03:12:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 318 transitions. [2023-12-03 03:12:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:12:53,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:12:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:55,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 03:12:55,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:18:36,070 WARN L293 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 42 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:21:38,955 WARN L293 SmtUtils]: Spent 39.82s on a formula simplification. DAG size of input: 44 DAG size of output: 43 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:24:16,002 WARN L293 SmtUtils]: Spent 12.63s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:24:26,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 03:24:36,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 03:26:23,634 WARN L293 SmtUtils]: Spent 11.40s on a formula simplification. DAG size of input: 48 DAG size of output: 43 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)