./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/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_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:13:18,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:13:19,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 02:13:19,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:13:19,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:13:19,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:13:19,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:13:19,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:13:19,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:13:19,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:13:19,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:13:19,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:13:19,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:13:19,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:13:19,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:13:19,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:13:19,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:13:19,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:13:19,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:13:19,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:13:19,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:13:19,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:13:19,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:13:19,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:13:19,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:13:19,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:13:19,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:13:19,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:13:19,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:13:19,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:13:19,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:13:19,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:13:19,087 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:13:19,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:13:19,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:13:19,088 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_ce11b46f-e538-47e7-8e48-550ea4c70348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a [2023-12-03 02:13:19,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:13:19,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:13:19,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:13:19,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:13:19,328 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:13:19,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2023-12-03 02:13:22,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:13:22,239 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:13:22,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2023-12-03 02:13:22,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/data/0e85307bf/7b9d19e08591416f8740c5cd198bc47b/FLAG799b587ba [2023-12-03 02:13:22,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/data/0e85307bf/7b9d19e08591416f8740c5cd198bc47b [2023-12-03 02:13:22,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:13:22,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:13:22,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:13:22,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:13:22,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:13:22,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634cc013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22, skipping insertion in model container [2023-12-03 02:13:22,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:13:22,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:13:22,475 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:13:22,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:13:22,509 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:13:22,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22 WrapperNode [2023-12-03 02:13:22,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:13:22,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:13:22,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:13:22,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:13:22,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,547 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-12-03 02:13:22,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:13:22,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:13:22,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:13:22,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:13:22,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:13:22,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:13:22,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:13:22,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:13:22,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:13:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:13:22,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:13:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce11b46f-e538-47e7-8e48-550ea4c70348/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:13:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:13:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:13:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:13:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:13:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:13:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:13:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:13:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:13:22,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:13:22,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:13:22,927 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:13:22,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:13:22,961 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:13:22,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:13:22 BoogieIcfgContainer [2023-12-03 02:13:22,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:13:22,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:13:22,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:13:22,973 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:13:22,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:13:22" (1/1) ... [2023-12-03 02:13:22,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:13:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-12-03 02:13:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-12-03 02:13:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:13:23,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:23,277 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 02:13:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-12-03 02:13:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-12-03 02:13:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:13:23,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:23,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:23,409 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 02:13:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-12-03 02:13:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-12-03 02:13:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:13:23,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:23,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:23,525 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 02:13:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-12-03 02:13:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-12-03 02:13:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:13:23,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:23,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:13:23,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 82 transitions. [2023-12-03 02:13:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-12-03 02:13:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:13:24,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:24,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:13:24,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:24,135 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 02:13:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 82 states and 91 transitions. [2023-12-03 02:13:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-12-03 02:13:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:13:24,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:24,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:13:24,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 94 transitions. [2023-12-03 02:13:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-12-03 02:13:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:13:24,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:24,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:24,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:24,912 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 02:13:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 96 transitions. [2023-12-03 02:13:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-12-03 02:13:25,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:13:25,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:25,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:25,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:13:25,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:25,290 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 02:13:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 94 states and 108 transitions. [2023-12-03 02:13:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-12-03 02:13:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:13:26,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:26,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:26,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:13:26,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 104 states and 121 transitions. [2023-12-03 02:13:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2023-12-03 02:13:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:13:27,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:27,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:27,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:27,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:27,210 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 02:13:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 123 transitions. [2023-12-03 02:13:27,507 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-12-03 02:13:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:13:27,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:27,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:27,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:13:27,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 107 states and 126 transitions. [2023-12-03 02:13:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2023-12-03 02:13:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:13:27,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:27,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:13:27,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 133 transitions. [2023-12-03 02:13:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-12-03 02:13:27,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:13:27,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:27,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:27,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:27,940 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 02:13:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 156 transitions. [2023-12-03 02:13:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2023-12-03 02:13:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:13:29,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:29,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:29,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:29,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:29,141 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 02:13:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 132 states and 170 transitions. [2023-12-03 02:13:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2023-12-03 02:13:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:13:29,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:29,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:30,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:30,064 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 02:13:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 148 states and 195 transitions. [2023-12-03 02:13:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2023-12-03 02:13:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:13:31,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:31,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:31,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:31,426 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 02:13:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 207 transitions. [2023-12-03 02:13:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2023-12-03 02:13:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:13:32,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:32,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:32,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:32,476 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 02:13:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 158 states and 218 transitions. [2023-12-03 02:13:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2023-12-03 02:13:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:13:36,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:36,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:36,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,802 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 02:13:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 164 states and 231 transitions. [2023-12-03 02:13:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 231 transitions. [2023-12-03 02:13:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:13:52,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:52,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:13:52,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:53,406 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 02:14:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 170 states and 243 transitions. [2023-12-03 02:14:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 243 transitions. [2023-12-03 02:14:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:14:04,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:04,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:14:04,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:06,002 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 02:14:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 263 transitions. [2023-12-03 02:14:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 263 transitions. [2023-12-03 02:14:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:14:19,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:19,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:14:19,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:19,398 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 02:14:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 179 states and 262 transitions. [2023-12-03 02:14:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2023-12-03 02:14:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:14:19,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:19,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:14:19,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:06,875 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 02:15:18,728 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| |ULTIMATE.start_main_~z~0#1|))) (and (<= (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|) .cse0) (<= 1 |v_ULTIMATE.start_main_~x~0#1_54|) (<= .cse0 9223372036854775807))))) is different from false [2023-12-03 02:16:10,701 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 25 DAG size of output: 13 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:16:57,862 WARN L293 SmtUtils]: Spent 9.43s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:17:07,922 WARN L539 Checker$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 02:17:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:17:13,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:17:16,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:17:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 187 states and 280 transitions. [2023-12-03 02:17:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 280 transitions. [2023-12-03 02:17:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:17:16,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:16,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:17:16,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:33,113 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 02:18:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 197 states and 293 transitions. [2023-12-03 02:18:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 293 transitions. [2023-12-03 02:18:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:18:16,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:18:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:16,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:16,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:43,548 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 02:20:12,128 WARN L293 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:20:25,763 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:20:50,630 WARN L293 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:20:58,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:20:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 204 states and 308 transitions. [2023-12-03 02:20:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 308 transitions. [2023-12-03 02:20:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:20:58,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:58,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:20:58,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:21:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 212 states and 320 transitions. [2023-12-03 02:21:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 320 transitions. [2023-12-03 02:21:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:21:31,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:31,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:21:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:31,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:31,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:23:36,961 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:24:13,936 WARN L293 SmtUtils]: Spent 16.37s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:24:31,464 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:24:48,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:25:09,511 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:25:11,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:25:19,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:25:23,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:25:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 220 states and 336 transitions. [2023-12-03 02:25:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 336 transitions. [2023-12-03 02:25:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:25:23,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:23,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:25:23,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:26:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 222 states and 344 transitions. [2023-12-03 02:26:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 344 transitions. [2023-12-03 02:26:24,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:26:24,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:24,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:24,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.