./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_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_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/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_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/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_9de45017-9b60-43a1-9b21-16cedd580776/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 f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:04,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:04,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:33:04,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:04,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:04,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:04,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:04,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:04,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:04,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:04,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:04,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:04,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:04,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:04,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:04,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:04,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:04,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:04,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:04,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:04,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:04,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:04,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:04,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:04,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:04,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:04,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:04,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:04,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:04,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:04,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:04,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:04,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:04,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:04,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:04,934 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_9de45017-9b60-43a1-9b21-16cedd580776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 [2023-11-21 18:33:05,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:05,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:05,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:05,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:05,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:05,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-21 18:33:08,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:08,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:08,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-21 18:33:08,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/data/a4cd6b99c/f6b803cfa117446ea3c2cda6463f1adf/FLAG16655f5d0 [2023-11-21 18:33:08,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/data/a4cd6b99c/f6b803cfa117446ea3c2cda6463f1adf [2023-11-21 18:33:08,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:08,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:08,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:08,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:08,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:08,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c9fb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08, skipping insertion in model container [2023-11-21 18:33:08,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:08,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:08,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:08,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:08,853 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:08,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08 WrapperNode [2023-11-21 18:33:08,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:08,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:08,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:08,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:08,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,907 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-21 18:33:08,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:08,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:08,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:08,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:08,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:08,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:08,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:08,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:08,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:08" (1/1) ... [2023-11-21 18:33:08,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:08,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:08,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de45017-9b60-43a1-9b21-16cedd580776/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:33:09,087 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:09,090 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:09,239 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:09,273 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:09,274 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:09,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:09 BoogieIcfgContainer [2023-11-21 18:33:09,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:09,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:09,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:09,288 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:09,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:09" (1/1) ... [2023-11-21 18:33:09,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-21 18:33:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-21 18:33:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:33:09,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,509 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 18:33:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-21 18:33:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:33:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:33:09,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,675 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 18:33:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:33:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:33:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:33:09,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,772 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 18:33:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-21 18:33:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-21 18:33:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:09,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,810 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 18:33:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:33:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:33:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:09,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:09,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:09,887 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 18:33:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-21 18:33:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:33:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:10,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:10,147 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 18:33:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:33:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:33:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:33:10,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:10,324 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 18:33:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-21 18:33:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-21 18:33:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:33:10,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:10,484 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 18:33:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-21 18:33:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-21 18:33:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:33:10,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:10,746 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 18:33:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-21 18:33:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:33:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:33:10,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:10,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-21 18:33:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-21 18:33:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:33:11,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:11,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:11,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:11,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-21 18:33:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-21 18:33:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:33:12,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:12,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:12,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-21 18:33:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-21 18:33:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:33:13,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:13,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:13,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:13,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:33:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-21 18:33:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-21 18:33:13,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:33:13,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:13,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:13,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:13,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-21 18:33:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-21 18:33:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:33:14,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:14,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:14,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:14,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 164 transitions. [2023-11-21 18:33:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-21 18:33:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:15,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:15,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:15,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:15,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:33:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 174 transitions. [2023-11-21 18:33:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-21 18:33:16,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:33:16,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:16,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:16,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:16,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:33:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 189 transitions. [2023-11-21 18:33:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-21 18:33:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:33:16,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:16,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:16,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:33:16,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 208 transitions. [2023-11-21 18:33:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-21 18:33:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:18,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:18,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:33:18,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 228 transitions. [2023-11-21 18:33:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 228 transitions. [2023-11-21 18:33:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:33:19,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:19,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:33:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 138 states and 238 transitions. [2023-11-21 18:33:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2023-11-21 18:33:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:33:20,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:20,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:20,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:33:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 240 transitions. [2023-11-21 18:33:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 240 transitions. [2023-11-21 18:33:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:33:21,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:21,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:21,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:21,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:33:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 144 states and 244 transitions. [2023-11-21 18:33:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2023-11-21 18:33:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:33:22,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:22,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:33:22,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:33:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 245 transitions. [2023-11-21 18:33:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-11-21 18:33:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:33:22,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:22,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:22,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 150 states and 262 transitions. [2023-11-21 18:33:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2023-11-21 18:33:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:33:23,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:23,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:23,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:23,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 273 transitions. [2023-11-21 18:33:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2023-11-21 18:33:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:33:24,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:24,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:24,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:24,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 160 states and 286 transitions. [2023-11-21 18:33:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2023-11-21 18:33:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:33:24,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:24,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:24,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 180 states and 324 transitions. [2023-11-21 18:33:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 324 transitions. [2023-11-21 18:33:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:33:27,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:27,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:27,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:33:27,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 190 states and 345 transitions. [2023-11-21 18:33:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 345 transitions. [2023-11-21 18:33:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:28,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:28,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:28,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 196 states and 356 transitions. [2023-11-21 18:33:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 356 transitions. [2023-11-21 18:33:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:29,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:29,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:29,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:29,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 199 states and 360 transitions. [2023-11-21 18:33:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 360 transitions. [2023-11-21 18:33:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:30,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:30,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:30,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 202 states and 362 transitions. [2023-11-21 18:33:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 362 transitions. [2023-11-21 18:33:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:31,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:31,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:31,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 204 states and 363 transitions. [2023-11-21 18:33:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 363 transitions. [2023-11-21 18:33:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:33:32,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:32,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:33:32,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:33:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 207 states and 365 transitions. [2023-11-21 18:33:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 365 transitions. [2023-11-21 18:33:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:33:33,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:33,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:33:33,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 211 states and 387 transitions. [2023-11-21 18:33:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 387 transitions. [2023-11-21 18:33:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:33:33,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:33,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:33,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:33,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 219 states and 399 transitions. [2023-11-21 18:33:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 399 transitions. [2023-11-21 18:33:35,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:33:35,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:35,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:35,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 239 states and 423 transitions. [2023-11-21 18:33:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 423 transitions. [2023-11-21 18:33:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:38,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:38,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 250 states and 448 transitions. [2023-11-21 18:33:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 448 transitions. [2023-11-21 18:33:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:33:40,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:40,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:40,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:33:40,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 260 states and 471 transitions. [2023-11-21 18:33:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 471 transitions. [2023-11-21 18:33:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:42,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:42,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:42,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:42,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 266 states and 483 transitions. [2023-11-21 18:33:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 483 transitions. [2023-11-21 18:33:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:43,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:43,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:43,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 269 states and 487 transitions. [2023-11-21 18:33:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 487 transitions. [2023-11-21 18:33:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:44,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:45,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:45,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 271 states and 488 transitions. [2023-11-21 18:33:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 488 transitions. [2023-11-21 18:33:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:46,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:46,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:46,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:46,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 274 states and 490 transitions. [2023-11-21 18:33:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 490 transitions. [2023-11-21 18:33:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:46,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:47,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:47,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 277 states and 492 transitions. [2023-11-21 18:33:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 492 transitions. [2023-11-21 18:33:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:33:47,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:48,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:33:48,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:33:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 280 states and 494 transitions. [2023-11-21 18:33:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 494 transitions. [2023-11-21 18:33:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:33:48,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:48,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:48,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:48,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:33:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 284 states and 519 transitions. [2023-11-21 18:33:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 519 transitions. [2023-11-21 18:33:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:33:49,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:49,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:49,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:49,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 291 states and 530 transitions. [2023-11-21 18:33:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 530 transitions. [2023-11-21 18:33:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:33:51,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:51,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:51,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:33:51,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 304 states and 546 transitions. [2023-11-21 18:33:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 546 transitions. [2023-11-21 18:33:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:33:54,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:54,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:54,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:54,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 314 states and 571 transitions. [2023-11-21 18:33:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 571 transitions. [2023-11-21 18:33:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:33:56,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:56,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:33:56,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.