./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.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_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/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_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/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_d45564d8-d8d5-4c3e-a223-00f0389e52d6/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 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:41,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:41,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:41,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:41,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:41,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:41,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:41,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:41,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:41,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:41,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:41,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:41,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:41,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:41,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:41,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:41,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:41,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:41,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:41,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:41,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:41,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:41,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:41,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:41,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:41,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:41,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:41,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:41,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:41,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:41,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:41,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:41,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:41,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:41,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:41,665 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_d45564d8-d8d5-4c3e-a223-00f0389e52d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a [2023-11-21 18:53:42,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:42,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:42,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:42,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:42,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:42,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-11-21 18:53:45,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:45,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:45,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-11-21 18:53:45,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/data/057dab6a7/7b33958a20c4486b899ac23449c00a4f/FLAGa3d90b94e [2023-11-21 18:53:45,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/data/057dab6a7/7b33958a20c4486b899ac23449c00a4f [2023-11-21 18:53:45,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:45,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:45,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:45,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:45,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:45,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152f5019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45, skipping insertion in model container [2023-11-21 18:53:45,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:45,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:45,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:45,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:45,868 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:45,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45 WrapperNode [2023-11-21 18:53:45,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:45,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:45,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:45,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:45,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,923 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2023-11-21 18:53:45,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:45,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:45,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:45,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:45,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:45,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:45,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:45,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:45,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:45" (1/1) ... [2023-11-21 18:53:45,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:46,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:46,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d45564d8-d8d5-4c3e-a223-00f0389e52d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:53:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:53:46,145 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:46,152 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:46,667 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:46,702 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:46,708 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:46,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:46 BoogieIcfgContainer [2023-11-21 18:53:46,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:46,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:46,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:46,729 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:46,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:46" (1/1) ... [2023-11-21 18:53:46,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-21 18:53:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-21 18:53:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:53:46,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,022 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 18:53:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2023-11-21 18:53:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-21 18:53:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:53:47,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,085 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 18:53:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2023-11-21 18:53:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-21 18:53:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:47,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,220 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 18:53:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2023-11-21 18:53:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-21 18:53:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:53:47,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,435 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 18:53:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2023-11-21 18:53:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-21 18:53:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:47,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:53:47,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:47,748 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 18:53:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 128 states and 131 transitions. [2023-11-21 18:53:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 131 transitions. [2023-11-21 18:53:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:47,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,851 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 18:53:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2023-11-21 18:53:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-21 18:53:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:53:48,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:48,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:48,466 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 18:53:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2023-11-21 18:53:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-21 18:53:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:48,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:48,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:48,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:48,597 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 18:53:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2023-11-21 18:53:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2023-11-21 18:53:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:48,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:48,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:48,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:48,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:48,720 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 18:53:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 137 states and 145 transitions. [2023-11-21 18:53:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 145 transitions. [2023-11-21 18:53:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:53:49,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,139 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 18:53:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 138 states and 146 transitions. [2023-11-21 18:53:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2023-11-21 18:53:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:53:49,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,242 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 18:53:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 145 states and 157 transitions. [2023-11-21 18:53:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2023-11-21 18:53:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:53:49,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,881 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 18:53:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 146 states and 158 transitions. [2023-11-21 18:53:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions. [2023-11-21 18:53:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:53:49,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,972 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 18:53:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 149 states and 163 transitions. [2023-11-21 18:53:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-21 18:53:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:50,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:50,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:50,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:50,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:50,263 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 18:53:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-21 18:53:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-21 18:53:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:50,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:50,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:50,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:50,639 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 18:53:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 156 states and 175 transitions. [2023-11-21 18:53:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2023-11-21 18:53:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:51,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:51,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:51,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:51,170 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 18:53:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 160 states and 182 transitions. [2023-11-21 18:53:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 182 transitions. [2023-11-21 18:53:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:51,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:51,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:51,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:51,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:51,828 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 18:53:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 164 states and 188 transitions. [2023-11-21 18:53:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2023-11-21 18:53:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:52,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:52,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:52,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:53:52,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:52,425 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 18:53:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 168 states and 194 transitions. [2023-11-21 18:53:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 194 transitions. [2023-11-21 18:53:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:53:52,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:52,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:52,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:53:52,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:53,332 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 18:53:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 183 states and 214 transitions. [2023-11-21 18:53:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2023-11-21 18:53:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:53:56,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:56,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:56,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:53:56,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:56,548 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 18:53:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 199 states and 235 transitions. [2023-11-21 18:53:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 235 transitions. [2023-11-21 18:53:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:59,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:59,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:59,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:59,814 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 18:54:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 216 states and 257 transitions. [2023-11-21 18:54:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 257 transitions. [2023-11-21 18:54:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:54:02,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:02,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:02,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:02,681 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 18:54:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 234 states and 280 transitions. [2023-11-21 18:54:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 280 transitions. [2023-11-21 18:54:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:05,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:05,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:54:05,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:06,034 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 18:54:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 253 states and 304 transitions. [2023-11-21 18:54:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 304 transitions. [2023-11-21 18:54:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:54:10,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:10,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:10,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:54:10,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:11,434 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 18:54:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 273 states and 329 transitions. [2023-11-21 18:54:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 329 transitions. [2023-11-21 18:54:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:54:15,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:15,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:15,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:15,864 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 18:54:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 294 states and 357 transitions. [2023-11-21 18:54:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2023-11-21 18:54:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:54:20,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:20,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:20,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:21,355 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 18:54:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 316 states and 387 transitions. [2023-11-21 18:54:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 387 transitions. [2023-11-21 18:54:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:27,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:27,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:27,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:27,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:27,835 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 18:54:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 333 states and 411 transitions. [2023-11-21 18:54:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 411 transitions. [2023-11-21 18:54:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:30,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:30,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:30,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,313 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 18:54:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 334 states and 412 transitions. [2023-11-21 18:54:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 412 transitions. [2023-11-21 18:54:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:30,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:30,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:30,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,415 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 18:54:32,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 341 states and 426 transitions. [2023-11-21 18:54:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2023-11-21 18:54:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:54:32,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:32,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:32,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:32,749 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 18:54:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 348 states and 441 transitions. [2023-11-21 18:54:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 441 transitions. [2023-11-21 18:54:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:54:35,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.