./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC --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 358d950fcb60363ca711e5ee684e998bf5a6b6b14c5043f9c788a7a76c08fd00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:10,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:10,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:03:10,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:10,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:10,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:10,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:10,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:10,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:10,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:10,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:10,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:10,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:10,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:10,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:10,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:10,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:10,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:10,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:10,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:10,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:10,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:10,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:10,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:10,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:10,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:10,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:10,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:10,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:10,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:10,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:10,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:10,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:10,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:10,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:10,247 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_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 358d950fcb60363ca711e5ee684e998bf5a6b6b14c5043f9c788a7a76c08fd00 [2023-11-23 20:03:10,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:10,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:10,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:10,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:10,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:10,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c [2023-11-23 20:03:13,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:14,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:14,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c [2023-11-23 20:03:14,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/data/ea0387ea3/d420669bdb1344258c6e99bef940ab98/FLAG13ad1f8b8 [2023-11-23 20:03:14,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/data/ea0387ea3/d420669bdb1344258c6e99bef940ab98 [2023-11-23 20:03:14,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:14,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:14,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:14,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:14,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:14,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d19bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14, skipping insertion in model container [2023-11-23 20:03:14,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:14,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:14,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:14,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:14,357 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:14,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14 WrapperNode [2023-11-23 20:03:14,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:14,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:14,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:14,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:14,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,409 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-23 20:03:14,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:14,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:14,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:14,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:14,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:14,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:14,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:14,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:14,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:14,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:14,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:14,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddc3141-dcde-4e14-9aae-1e6d5e8361da/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:03:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:03:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:03:14,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:03:14,630 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:14,633 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:14,996 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:15,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:15,037 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:03:15,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:15 BoogieIcfgContainer [2023-11-23 20:03:15,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:15,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:15,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:15,052 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:15,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-23 20:03:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-23 20:03:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:03:15,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-11-23 20:03:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-23 20:03:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:03:15,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:15,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-11-23 20:03:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-23 20:03:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:03:15,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:15,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-11-23 20:03:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-23 20:03:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:03:15,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:15,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:15,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:15,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 76 states and 82 transitions. [2023-11-23 20:03:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-11-23 20:03:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:03:16,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:16,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:16,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:16,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 91 transitions. [2023-11-23 20:03:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-23 20:03:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:03:17,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:17,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 94 transitions. [2023-11-23 20:03:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-23 20:03:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:03:17,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:17,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 85 states and 96 transitions. [2023-11-23 20:03:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-23 20:03:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:03:17,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:17,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 110 transitions. [2023-11-23 20:03:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2023-11-23 20:03:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:03:18,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:19,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:19,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 126 transitions. [2023-11-23 20:03:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2023-11-23 20:03:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:20,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:20,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:20,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:20,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 128 transitions. [2023-11-23 20:03:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2023-11-23 20:03:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:03:20,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:20,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:20,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 131 transitions. [2023-11-23 20:03:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:03:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:03:21,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:21,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:03:21,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:03:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 122 states and 154 transitions. [2023-11-23 20:03:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 154 transitions. [2023-11-23 20:03:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:03:22,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:22,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:22,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 137 states and 179 transitions. [2023-11-23 20:03:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2023-11-23 20:03:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:03:24,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:24,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:24,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 147 states and 196 transitions. [2023-11-23 20:03:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-23 20:03:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:03:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:26,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:26,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 163 states and 221 transitions. [2023-11-23 20:03:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2023-11-23 20:03:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:03:28,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:28,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:28,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:28,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 168 states and 233 transitions. [2023-11-23 20:03:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2023-11-23 20:03:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:03:29,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:29,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:29,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 173 states and 244 transitions. [2023-11-23 20:03:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-23 20:03:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:03:32,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:32,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:32,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:32,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 179 states and 257 transitions. [2023-11-23 20:03:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 257 transitions. [2023-11-23 20:03:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:03:36,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:36,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:36,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 185 states and 269 transitions. [2023-11-23 20:03:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 269 transitions. [2023-11-23 20:03:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:03:41,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:41,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 192 states and 284 transitions. [2023-11-23 20:03:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-23 20:03:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:03:57,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:57,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:57,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 191 states and 283 transitions. [2023-11-23 20:03:57,610 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2023-11-23 20:03:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:03:57,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:57,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:57,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:57,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:00,143 WARN L876 $PredicateComparison]: unable to prove that (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 true [2023-11-23 20:04:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.