./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/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_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/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_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/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 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:14,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:14,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:14,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:14,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:14,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:14,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:14,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:14,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:14,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:14,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:14,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:14,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:14,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:14,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:14,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:14,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:14,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:14,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:14,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:14,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:14,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:14,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:14,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:14,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:14,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:14,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:14,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:14,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:14,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:14,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:14,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:14,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:14,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:14,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:14,942 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_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 [2023-11-21 18:28:15,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:15,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:15,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:15,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:15,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:15,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-acceleration/array_3-1.i [2023-11-21 18:28:18,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:18,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:18,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/sv-benchmarks/c/loop-acceleration/array_3-1.i [2023-11-21 18:28:18,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/data/84f97bd1b/ce3293e7c58140e5b987480691d2199d/FLAG6147a0ca3 [2023-11-21 18:28:18,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/data/84f97bd1b/ce3293e7c58140e5b987480691d2199d [2023-11-21 18:28:18,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:18,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:18,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:18,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:18,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:18,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffc40ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18, skipping insertion in model container [2023-11-21 18:28:18,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:18,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:18,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:18,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:18,821 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:18,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18 WrapperNode [2023-11-21 18:28:18,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:18,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:18,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:18,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:18,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,856 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-11-21 18:28:18,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:18,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:18,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:18,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:18,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:18,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:18,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:18,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:18,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:18" (1/1) ... [2023-11-21 18:28:18,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:18,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b605da-5c2a-4770-b4d0-89be16c5c9e4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:19,037 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:19,040 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:19,210 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:19,288 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:19,288 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:28:19,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:19 BoogieIcfgContainer [2023-11-21 18:28:19,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:19,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:19,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:19,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:19,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:19" (1/1) ... [2023-11-21 18:28:19,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-21 18:28:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-21 18:28:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:28:19,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-21 18:28:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-21 18:28:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:19,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:28:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:28:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:19,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-21 18:28:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-21 18:28:20,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:20,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-21 18:28:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-21 18:28:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:20,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-21 18:28:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-21 18:28:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:20,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-21 18:28:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-21 18:28:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:20,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:28:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-21 18:28:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-21 18:28:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:20,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:28:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:28:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:28:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:28:20,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-21 18:28:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-21 18:28:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:21,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-21 18:28:21,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-21 18:28:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:28:21,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-21 18:28:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-21 18:28:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:28:22,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-21 18:28:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-21 18:28:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:22,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:22,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-11-21 18:28:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-21 18:28:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:28:23,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:23,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-21 18:28:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-21 18:28:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:28:23,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-21 18:28:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-21 18:28:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:28:24,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:24,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-21 18:28:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-21 18:28:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:28:25,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:25,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-21 18:28:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-21 18:28:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:28:26,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:26,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2023-11-21 18:28:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2023-11-21 18:28:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:27,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2023-11-21 18:28:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2023-11-21 18:28:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:28:28,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:28,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:29,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2023-11-21 18:28:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2023-11-21 18:28:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:28:29,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2023-11-21 18:28:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2023-11-21 18:28:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:28:30,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2023-11-21 18:28:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-21 18:28:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:28:31,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-21 18:28:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-21 18:28:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:28:32,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-21 18:28:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-21 18:28:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:28:33,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2023-11-21 18:28:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2023-11-21 18:28:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:28:35,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2023-11-21 18:28:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-21 18:28:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:28:36,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2023-11-21 18:28:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-11-21 18:28:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:28:37,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 82 states and 86 transitions. [2023-11-21 18:28:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-11-21 18:28:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:28:39,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 85 states and 89 transitions. [2023-11-21 18:28:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2023-11-21 18:28:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:28:40,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 88 states and 92 transitions. [2023-11-21 18:28:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2023-11-21 18:28:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-21 18:28:42,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 91 states and 95 transitions. [2023-11-21 18:28:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2023-11-21 18:28:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:28:44,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 94 states and 98 transitions. [2023-11-21 18:28:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2023-11-21 18:28:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-21 18:28:45,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 97 states and 101 transitions. [2023-11-21 18:28:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2023-11-21 18:28:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-21 18:28:47,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 100 states and 104 transitions. [2023-11-21 18:28:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2023-11-21 18:28:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:28:49,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 103 states and 107 transitions. [2023-11-21 18:28:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2023-11-21 18:28:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-21 18:28:51,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:51,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2023-11-21 18:28:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2023-11-21 18:28:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:28:53,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 1335 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 109 states and 113 transitions. [2023-11-21 18:28:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2023-11-21 18:28:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-21 18:28:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 112 states and 116 transitions. [2023-11-21 18:28:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2023-11-21 18:28:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-21 18:28:57,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:28:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 115 states and 119 transitions. [2023-11-21 18:28:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2023-11-21 18:28:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-21 18:28:59,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:59,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1621 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.