./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:16:08,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:16:08,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:16:08,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:16:08,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:16:08,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:16:08,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:16:08,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:16:08,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:16:08,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:16:08,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:16:08,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:16:08,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:16:08,908 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:16:08,909 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:16:08,909 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:16:08,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:16:08,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:16:08,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:16:08,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:16:08,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:16:08,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:16:08,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:16:08,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:16:08,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:08,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:16:08,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:16:08,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:16:08,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:16:08,916 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_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a [2023-12-02 23:16:09,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:16:09,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:16:09,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:16:09,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:16:09,154 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:16:09,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety/test-0235-1.i [2023-12-02 23:16:11,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:12,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:12,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/sv-benchmarks/c/memsafety/test-0235-1.i [2023-12-02 23:16:12,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/data/e9b04a6dd/d197d8ddb86a49679303ef5cc066b3bc/FLAGa2b94f6ce [2023-12-02 23:16:12,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/data/e9b04a6dd/d197d8ddb86a49679303ef5cc066b3bc [2023-12-02 23:16:12,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:12,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:12,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:12,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:12,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:12,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a81da13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12, skipping insertion in model container [2023-12-02 23:16:12,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:12,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:12,625 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:12,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:12,714 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:12,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12 WrapperNode [2023-12-02 23:16:12,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:12,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:12,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:12,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:12,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,789 INFO L138 Inliner]: procedures = 188, calls = 69, calls flagged for inlining = 24, calls inlined = 50, statements flattened = 765 [2023-12-02 23:16:12,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:12,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:12,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:12,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:12,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:12,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:12,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:12,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:12,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:12" (1/1) ... [2023-12-02 23:16:12,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:12,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:12,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:12,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57b86a3-1b05-42ae-b2e0-e3d3f5ccc607/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:16:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:16:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:16:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:16:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 23:16:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:16:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:13,052 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:13,054 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:14,173 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:14,363 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:14,363 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-12-02 23:16:14,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:14 BoogieIcfgContainer [2023-12-02 23:16:14,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:14,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:14,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:14,376 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:14,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:14" (1/1) ... [2023-12-02 23:16:14,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 565 states and 680 transitions. [2023-12-02 23:16:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 680 transitions. [2023-12-02 23:16:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:16:14,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 565 states and 679 transitions. [2023-12-02 23:16:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 679 transitions. [2023-12-02 23:16:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:16:14,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:14,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:14,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2023-12-02 23:16:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2023-12-02 23:16:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:16:14,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:16:14,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:14,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 23:16:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 563 states and 677 transitions. [2023-12-02 23:16:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 677 transitions. [2023-12-02 23:16:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:16:14,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:16:14,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2023-12-02 23:16:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2023-12-02 23:16:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:16:14,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:15,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:15,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 562 states and 675 transitions. [2023-12-02 23:16:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2023-12-02 23:16:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:16:15,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:15,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:15,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:15,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:15,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:16:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2023-12-02 23:16:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2023-12-02 23:16:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:16:26,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:26,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:26,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:26,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:26,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:26,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:37,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:16:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2023-12-02 23:16:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2023-12-02 23:16:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:16:37,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:37,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 23:16:37,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:37,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:37,292 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 23:16:37,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-12-02 23:16:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:16:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2023-12-02 23:16:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2023-12-02 23:16:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:16:38,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:38,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:38,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:38,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:16:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2023-12-02 23:16:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2023-12-02 23:16:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:16:38,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:38,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:38,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:16:38,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:38,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:38,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 564 states and 677 transitions. [2023-12-02 23:16:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 677 transitions. [2023-12-02 23:16:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:16:39,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:16:39,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:39,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:39,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 565 states and 678 transitions. [2023-12-02 23:16:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 678 transitions. [2023-12-02 23:16:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:16:39,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:39,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:39,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:39,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 564 states and 677 transitions. [2023-12-02 23:16:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 677 transitions. [2023-12-02 23:16:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:16:40,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:40,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:40,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:40,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 563 states and 675 transitions. [2023-12-02 23:16:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 675 transitions. [2023-12-02 23:16:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:16:40,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:40,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:40,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:16:40,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:40,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:41,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:16:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 564 states and 676 transitions. [2023-12-02 23:16:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 676 transitions. [2023-12-02 23:16:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:16:42,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:42,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:16:42,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:42,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:42,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:16:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:16:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 565 states and 677 transitions. [2023-12-02 23:16:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 677 transitions. [2023-12-02 23:16:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:16:42,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:42,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 23:16:42,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:42,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:42,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:16:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 564 states and 676 transitions. [2023-12-02 23:16:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 676 transitions. [2023-12-02 23:16:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:16:43,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:43,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:43,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:43,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:16:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 563 states and 674 transitions. [2023-12-02 23:16:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 674 transitions. [2023-12-02 23:16:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:16:43,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:43,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:43,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:16:43,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:43,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2023-12-02 23:16:44,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:16:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:16:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 564 states and 675 transitions. [2023-12-02 23:16:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 675 transitions. [2023-12-02 23:16:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:16:45,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:45,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:45,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:16:45,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:45,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:45,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:16:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 23:16:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 565 states and 676 transitions. [2023-12-02 23:16:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 676 transitions. [2023-12-02 23:16:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:16:46,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:46,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 23:16:46,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 566 states and 677 transitions. [2023-12-02 23:16:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 677 transitions. [2023-12-02 23:16:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:16:47,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:47,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 23:16:47,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:47,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:47,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 23:16:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 567 states and 678 transitions. [2023-12-02 23:16:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 678 transitions. [2023-12-02 23:16:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:16:47,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:47,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:16:48,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:48,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:48,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 23:16:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 568 states and 679 transitions. [2023-12-02 23:16:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 679 transitions. [2023-12-02 23:16:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:16:48,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 23:16:49,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:49,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:49,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:16:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 569 states and 681 transitions. [2023-12-02 23:16:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 681 transitions. [2023-12-02 23:16:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:16:49,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:16:49,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:49,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:49,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 23:16:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 570 states and 682 transitions. [2023-12-02 23:16:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 682 transitions. [2023-12-02 23:16:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:16:50,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 23:16:50,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:50,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:50,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:16:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 572 states and 686 transitions. [2023-12-02 23:16:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 686 transitions. [2023-12-02 23:16:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:16:51,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:52,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 23:16:52,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:52,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:52,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 23:16:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 573 states and 687 transitions. [2023-12-02 23:16:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 687 transitions. [2023-12-02 23:16:53,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:16:53,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:53,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 23:16:53,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:53,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:53,890 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 23:16:53,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-12-02 23:16:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 23:16:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 573 states and 688 transitions. [2023-12-02 23:16:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 688 transitions. [2023-12-02 23:16:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:16:54,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:54,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:54,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:16:54,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:54,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:16:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 23:16:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 572 states and 687 transitions. [2023-12-02 23:16:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 687 transitions. [2023-12-02 23:16:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:16:54,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:16:55,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:55,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:55,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 23:16:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 573 states and 688 transitions. [2023-12-02 23:16:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 688 transitions. [2023-12-02 23:16:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:16:55,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 23:16:55,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:56,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:56,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 575 states and 692 transitions. [2023-12-02 23:16:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 692 transitions. [2023-12-02 23:16:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:57,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:57,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 23:16:57,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:57,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:58,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 576 states and 693 transitions. [2023-12-02 23:16:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 693 transitions. [2023-12-02 23:16:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:16:58,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:58,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:58,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 23:16:58,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:58,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:58,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:16:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 577 states and 694 transitions. [2023-12-02 23:16:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 694 transitions. [2023-12-02 23:16:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:16:59,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:59,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 23:16:59,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:59,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:16:59,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:16:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:17:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 578 states and 695 transitions. [2023-12-02 23:17:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 695 transitions. [2023-12-02 23:17:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:00,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:00,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:01,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:17:01,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:01,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 23:17:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 577 states and 694 transitions. [2023-12-02 23:17:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 694 transitions. [2023-12-02 23:17:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:17:02,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:02,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:17:02,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:02,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:17:03,204 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-02 23:17:03,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-12-02 23:17:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 23:17:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 576 states and 693 transitions. [2023-12-02 23:17:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 693 transitions. [2023-12-02 23:17:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:17:07,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:08,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:17:08,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:08,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:19,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:17:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 23:17:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 577 states and 694 transitions. [2023-12-02 23:17:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 694 transitions. [2023-12-02 23:17:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:17:24,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:25,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 23:17:25,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:25,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:25,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:17:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 23:17:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 579 states and 698 transitions. [2023-12-02 23:17:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 698 transitions. [2023-12-02 23:17:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:17:26,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:27,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:17:27,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:27,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:27,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 23:17:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 23:17:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 580 states and 699 transitions. [2023-12-02 23:17:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 699 transitions. [2023-12-02 23:17:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:17:29,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:29,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 23:17:29,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:29,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 23:17:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 581 states and 700 transitions. [2023-12-02 23:17:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 700 transitions. [2023-12-02 23:17:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:17:34,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:35,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 23:17:35,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:35,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:17:35,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 23:17:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 23:17:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 582 states and 701 transitions. [2023-12-02 23:17:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 701 transitions. [2023-12-02 23:17:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:17:36,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:36,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:37,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:17:37,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:17:37,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 23:17:37,916 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 23:17:37,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 23:17:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 23:17:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 581 states and 700 transitions. [2023-12-02 23:17:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 700 transitions. [2023-12-02 23:17:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:17:52,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 23:17:53,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:53,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:17:53,488 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 23:17:53,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-12-02 23:17:54,258 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 23:17:54,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 23:17:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 23:18:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 596 states and 721 transitions. [2023-12-02 23:18:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 721 transitions. [2023-12-02 23:18:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:18:17,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:17,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 23:18:17,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:17,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 23:18:17,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 23:19:31,854 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-02 23:19:31,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-12-02 23:19:31,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 23:19:41,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:19:41,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 23:19:41,284 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-12-02 23:19:41,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-12-02 23:19:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 23:25:02,371 WARN L293 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:25:12,971 WARN L293 SmtUtils]: Spent 10.32s on a formula simplification. DAG size of input: 39 DAG size of output: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:25:46,800 WARN L293 SmtUtils]: Spent 10.33s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:26:08,837 WARN L293 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:26:31,265 WARN L293 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:26:58,025 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:27:45,477 WARN L293 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:27:59,931 WARN L293 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:02,862 WARN L293 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:25,474 WARN L293 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:29:44,423 WARN L293 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:30:03,811 WARN L293 SmtUtils]: Spent 10.39s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:30:16,748 WARN L293 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:30:30,089 WARN L293 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:30:47,171 WARN L293 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:31:02,292 WARN L293 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:31:19,807 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)