./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2 --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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:56,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:56,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:56,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:56,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:56,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:56,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:56,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:56,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:56,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:56,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:56,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:56,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:56,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:56,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:56,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:56,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:56,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:56,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:56,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:56,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:56,483 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:56,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:56,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:56,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:56,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:56,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:56,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:56,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:56,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:56,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:56,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:56,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:56,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:56,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:56,493 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_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2023-11-21 18:32:56,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:56,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:56,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:56,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:56,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:56,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-21 18:32:59,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:00,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:00,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-21 18:33:00,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/data/c926b0a2c/0bfbf7bca1c8482788832fb456cdfd92/FLAG5b06d13bd [2023-11-21 18:33:00,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/data/c926b0a2c/0bfbf7bca1c8482788832fb456cdfd92 [2023-11-21 18:33:00,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:00,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:00,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:00,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:00,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:00,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f586c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00, skipping insertion in model container [2023-11-21 18:33:00,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:00,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:00,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:00,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:00,556 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:00,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00 WrapperNode [2023-11-21 18:33:00,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:00,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:00,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:00,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:00,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,603 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:33:00,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:00,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:00,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:00,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:00,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:00,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:00,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:00,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:00,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:00" (1/1) ... [2023-11-21 18:33:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:00,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:00,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a3ab22-dbcc-4a57-b0de-4d508b798531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:33:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:33:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:33:00,833 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:00,836 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:01,195 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:01,234 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:01,235 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:33:01,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:01 BoogieIcfgContainer [2023-11-21 18:33:01,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:01,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:01,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:01,253 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:01,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:01" (1/1) ... [2023-11-21 18:33:01,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:33:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:33:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:33:01,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:01,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-21 18:33:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-21 18:33:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:33:01,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-21 18:33:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-21 18:33:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:33:01,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:01,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:01,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:01,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-21 18:33:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-21 18:33:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:33:02,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-21 18:33:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-21 18:33:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:33:02,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-21 18:33:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-21 18:33:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:03,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:03,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:03,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-21 18:33:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-21 18:33:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:33:03,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:03,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:03,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-21 18:33:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-21 18:33:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:33:04,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:04,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:04,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-21 18:33:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-21 18:33:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:33:04,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:04,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:04,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-21 18:33:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-21 18:33:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:33:04,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:05,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:05,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-21 18:33:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-21 18:33:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:05,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:05,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:05,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:33:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-21 18:33:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-21 18:33:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:08,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:08,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:08,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-21 18:33:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-21 18:33:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:09,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:09,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-21 18:33:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-21 18:33:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:33:09,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:33:09,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 101 states and 180 transitions. [2023-11-21 18:33:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 180 transitions. [2023-11-21 18:33:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:33:10,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 196 transitions. [2023-11-21 18:33:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2023-11-21 18:33:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:33:11,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:11,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:11,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 111 states and 207 transitions. [2023-11-21 18:33:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 207 transitions. [2023-11-21 18:33:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:33:13,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:13,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:13,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 115 states and 216 transitions. [2023-11-21 18:33:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 216 transitions. [2023-11-21 18:33:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:33:14,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:14,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:14,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 115 states and 214 transitions. [2023-11-21 18:33:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 214 transitions. [2023-11-21 18:33:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:33:14,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:14,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:14,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 119 states and 220 transitions. [2023-11-21 18:33:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 220 transitions. [2023-11-21 18:33:16,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:33:16,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:16,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:16,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 123 states and 231 transitions. [2023-11-21 18:33:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 231 transitions. [2023-11-21 18:33:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:33:18,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:18,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:18,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 127 states and 245 transitions. [2023-11-21 18:33:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2023-11-21 18:33:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:33:19,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:19,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 127 states and 244 transitions. [2023-11-21 18:33:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 244 transitions. [2023-11-21 18:33:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:33:19,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:20,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:20,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2023-11-21 18:33:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2023-11-21 18:33:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:33:21,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:21,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:21,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 137 states and 263 transitions. [2023-11-21 18:33:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 263 transitions. [2023-11-21 18:33:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:33:22,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:22,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:22,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:22,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 141 states and 279 transitions. [2023-11-21 18:33:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 279 transitions. [2023-11-21 18:33:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:33:24,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:24,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:24,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 293 transitions. [2023-11-21 18:33:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 293 transitions. [2023-11-21 18:33:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:33:25,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:25,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:25,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:25,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 151 states and 305 transitions. [2023-11-21 18:33:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 305 transitions. [2023-11-21 18:33:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:33:25,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:25,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:25,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:25,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 152 states and 306 transitions. [2023-11-21 18:33:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 306 transitions. [2023-11-21 18:33:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:33:26,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:26,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:26,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 156 states and 314 transitions. [2023-11-21 18:33:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 314 transitions. [2023-11-21 18:33:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:33:28,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:28,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:28,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:28,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 156 states and 310 transitions. [2023-11-21 18:33:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 310 transitions. [2023-11-21 18:33:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:33:29,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:29,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:29,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 158 states and 311 transitions. [2023-11-21 18:33:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 311 transitions. [2023-11-21 18:33:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:33:31,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:31,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:31,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 158 states and 301 transitions. [2023-11-21 18:33:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 301 transitions. [2023-11-21 18:33:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:33:32,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:32,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:32,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 166 states and 314 transitions. [2023-11-21 18:33:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 314 transitions. [2023-11-21 18:33:34,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:33:34,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:34,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:34,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:34,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 173 states and 334 transitions. [2023-11-21 18:33:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 334 transitions. [2023-11-21 18:33:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:33:36,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:36,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:36,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:36,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:37,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 178 states and 341 transitions. [2023-11-21 18:33:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 341 transitions. [2023-11-21 18:33:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:33:37,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:38,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 180 states and 343 transitions. [2023-11-21 18:33:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 343 transitions. [2023-11-21 18:33:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:33:38,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:38,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 182 states and 347 transitions. [2023-11-21 18:33:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 347 transitions. [2023-11-21 18:33:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:33:39,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:40,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:40,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 186 states and 360 transitions. [2023-11-21 18:33:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 360 transitions. [2023-11-21 18:33:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:33:41,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:41,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:41,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:41,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 187 states and 371 transitions. [2023-11-21 18:33:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 371 transitions. [2023-11-21 18:33:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:33:42,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:42,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:42,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 194 states and 386 transitions. [2023-11-21 18:33:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 386 transitions. [2023-11-21 18:33:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:43,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:43,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:44,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:44,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:33:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 206 states and 422 transitions. [2023-11-21 18:33:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 422 transitions. [2023-11-21 18:33:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:48,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:48,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:48,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:48,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 206 states and 421 transitions. [2023-11-21 18:33:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2023-11-21 18:33:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:50,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:50,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:50,103 INFO L285 TraceCheckSpWp]: Computing forward predicates...