./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.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_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi --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 c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:17,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:17,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:12:17,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:17,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:17,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:17,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:17,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:17,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:17,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:17,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:17,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:17,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:17,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:17,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:17,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:17,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:17,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:17,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:17,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:17,644 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:17,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:17,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:17,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:17,646 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:17,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:17,647 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:17,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:17,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:17,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:17,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:17,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:17,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:17,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:17,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:17,666 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_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 [2023-11-24 23:12:18,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:18,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:18,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:18,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:18,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:18,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2023-11-24 23:12:21,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:21,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:21,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2023-11-24 23:12:21,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/data/494e92df1/e12a2a9082ab40798f745d3a12e4082d/FLAG1ec139646 [2023-11-24 23:12:21,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/data/494e92df1/e12a2a9082ab40798f745d3a12e4082d [2023-11-24 23:12:21,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:21,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:21,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:21,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:21,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:21,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:21" (1/1) ... [2023-11-24 23:12:21,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719057ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:21, skipping insertion in model container [2023-11-24 23:12:21,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:21" (1/1) ... [2023-11-24 23:12:21,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:21,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:21,986 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:22,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:22,033 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:22,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22 WrapperNode [2023-11-24 23:12:22,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:22,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:22,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:22,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:22,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,077 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-24 23:12:22,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:22,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:22,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:22,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:22,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:22,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:22,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:22,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:22,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:22,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:22,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:22,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fd9a1c-0f58-4db2-a311-4f6d66da85ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:12:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:12:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:22,251 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:22,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:22,422 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:22,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:22,511 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:22,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:22 BoogieIcfgContainer [2023-11-24 23:12:22,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:22,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:22,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:22,527 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:22,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:22" (1/1) ... [2023-11-24 23:12:22,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 23:12:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 23:12:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:12:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2023-11-24 23:12:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 23:12:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:23,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:23,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:23,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2023-11-24 23:12:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 23:12:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:12:23,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:23,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:23,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:12:23,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-11-24 23:12:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-24 23:12:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:12:23,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:23,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:23,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 55 transitions. [2023-11-24 23:12:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2023-11-24 23:12:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:12:24,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:24,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:24,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:24,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 46 transitions. [2023-11-24 23:12:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-24 23:12:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:12:25,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:25,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:25,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 58 transitions. [2023-11-24 23:12:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-24 23:12:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:12:25,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:25,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:25,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:12:25,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 51 states and 71 transitions. [2023-11-24 23:12:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-24 23:12:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:12:26,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:26,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:12:26,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 83 transitions. [2023-11-24 23:12:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-11-24 23:12:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:12:27,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:27,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:12:27,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 15 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 95 transitions. [2023-11-24 23:12:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-11-24 23:12:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:12:28,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:28,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:28,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:12:28,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 107 transitions. [2023-11-24 23:12:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-24 23:12:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:12:29,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:29,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:12:29,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 120 transitions. [2023-11-24 23:12:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2023-11-24 23:12:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:12:30,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:30,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:30,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:12:30,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 24 proven. 224 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 91 states and 132 transitions. [2023-11-24 23:12:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-24 23:12:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-24 23:12:31,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:31,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:31,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:12:31,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 144 transitions. [2023-11-24 23:12:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2023-11-24 23:12:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:12:32,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:32,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:32,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:12:32,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 30 proven. 360 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 156 transitions. [2023-11-24 23:12:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-11-24 23:12:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 23:12:33,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:33,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:33,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:12:33,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 168 transitions. [2023-11-24 23:12:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2023-11-24 23:12:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:12:35,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:35,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:35,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:12:35,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 123 states and 180 transitions. [2023-11-24 23:12:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2023-11-24 23:12:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 23:12:36,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:36,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:36,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 131 states and 192 transitions. [2023-11-24 23:12:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-11-24 23:12:38,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:12:38,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:12:38,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 42 proven. 728 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 139 states and 205 transitions. [2023-11-24 23:12:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2023-11-24 23:12:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:12:40,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:40,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:40,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:12:40,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 45 proven. 840 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 217 transitions. [2023-11-24 23:12:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2023-11-24 23:12:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-24 23:12:41,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:41,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:41,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:41,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 155 states and 229 transitions. [2023-11-24 23:12:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 229 transitions. [2023-11-24 23:12:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-24 23:12:43,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:12:43,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 51 proven. 1088 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 163 states and 242 transitions. [2023-11-24 23:12:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2023-11-24 23:12:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-24 23:12:45,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:45,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:12:45,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 1278 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 254 transitions. [2023-11-24 23:12:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 254 transitions. [2023-11-24 23:12:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-24 23:12:47,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 23:12:47,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 179 states and 267 transitions. [2023-11-24 23:12:49,227 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2023-11-24 23:12:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-24 23:12:49,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:49,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 23:12:49,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 187 states and 279 transitions. [2023-11-24 23:12:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2023-11-24 23:12:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-24 23:12:50,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:50,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:12:50,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1743 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 195 states and 291 transitions. [2023-11-24 23:12:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-11-24 23:12:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-24 23:12:53,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:53,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:53,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 23:12:53,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 66 proven. 1848 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 203 states and 304 transitions. [2023-11-24 23:12:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 304 transitions. [2023-11-24 23:12:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-24 23:12:55,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:55,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 23:12:55,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 69 proven. 2024 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 211 states and 316 transitions. [2023-11-24 23:12:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 316 transitions. [2023-11-24 23:12:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:12:57,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:12:57,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 72 proven. 2208 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 219 states and 328 transitions. [2023-11-24 23:12:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 328 transitions. [2023-11-24 23:12:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-24 23:12:58,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 23:12:59,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 0 proven. 2475 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 227 states and 340 transitions. [2023-11-24 23:13:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2023-11-24 23:13:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-24 23:13:02,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:02,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:02,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:13:02,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2690 backedges. 0 proven. 2678 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 352 transitions. [2023-11-24 23:13:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 352 transitions. [2023-11-24 23:13:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-24 23:13:05,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 23:13:05,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 0 proven. 2889 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 243 states and 364 transitions. [2023-11-24 23:13:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 364 transitions. [2023-11-24 23:13:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-24 23:13:07,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-24 23:13:07,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 3024 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 251 states and 377 transitions. [2023-11-24 23:13:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 377 transitions. [2023-11-24 23:13:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-11-24 23:13:11,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 23:13:11,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3347 backedges. 87 proven. 3248 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.