./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/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_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26517bdd67184dea6352cf50b6d9992d41ecfd853675bfc685354b90b7b5bf40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:23:13,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:23:13,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:23:13,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:23:13,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:23:13,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:23:13,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:23:13,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:23:13,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:23:13,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:23:13,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:23:13,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:23:13,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:23:13,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:23:13,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:23:13,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:23:13,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:23:13,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:23:13,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:23:13,440 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:23:13,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:23:13,441 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:23:13,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:23:13,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:23:13,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:23:13,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:23:13,443 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:23:13,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:23:13,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:23:13,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:23:13,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:23:13,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:23:13,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:23:13,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:23:13,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:23:13,446 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_95199797-a858-43cb-ae0b-c6a5152db91a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26517bdd67184dea6352cf50b6d9992d41ecfd853675bfc685354b90b7b5bf40 [2023-12-02 22:23:13,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:23:13,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:23:13,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:23:13,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:23:13,786 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:23:13,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c [2023-12-02 22:23:17,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:23:17,313 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:23:17,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c [2023-12-02 22:23:17,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/data/ef738b2a6/5dd8b6525e8142eeb2f25daf091f6291/FLAGb24ee18ec [2023-12-02 22:23:17,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/data/ef738b2a6/5dd8b6525e8142eeb2f25daf091f6291 [2023-12-02 22:23:17,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:23:17,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:23:17,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:23:17,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:23:17,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:23:17,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be7659b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17, skipping insertion in model container [2023-12-02 22:23:17,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:23:17,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:23:17,592 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:23:17,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:23:17,653 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:23:17,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17 WrapperNode [2023-12-02 22:23:17,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:23:17,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:23:17,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:23:17,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:23:17,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,699 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-12-02 22:23:17,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:23:17,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:23:17,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:23:17,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:23:17,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:23:17,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:23:17,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:23:17,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:23:17,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:23:17" (1/1) ... [2023-12-02 22:23:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:23:17,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:23:17,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:23:17,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:23:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:23:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:23:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:23:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:23:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:23:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:23:17,876 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:23:17,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:23:18,127 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:23:18,184 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:23:18,185 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:23:18,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:23:18 BoogieIcfgContainer [2023-12-02 22:23:18,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:23:18,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:23:18,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:23:18,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:23:18,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:23:18" (1/1) ... [2023-12-02 22:23:18,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:23:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-12-02 22:23:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-12-02 22:23:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:23:18,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:18,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:18,518 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 22:23:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-12-02 22:23:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-12-02 22:23:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:23:18,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:18,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:18,645 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 22:23:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-12-02 22:23:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-12-02 22:23:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:18,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:18,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:18,739 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 22:23:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-12-02 22:23:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-12-02 22:23:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:23:18,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:18,913 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 22:23:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-12-02 22:23:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-12-02 22:23:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:23:19,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-12-02 22:23:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-02 22:23:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:23:19,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:19,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:19,368 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 22:23:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-12-02 22:23:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-12-02 22:23:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:23:19,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:19,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-12-02 22:23:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-12-02 22:23:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:23:19,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:19,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:20,007 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 22:23:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-12-02 22:23:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-12-02 22:23:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:23:20,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-12-02 22:23:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-12-02 22:23:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:23:20,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-12-02 22:23:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-12-02 22:23:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:23:20,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-12-02 22:23:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-12-02 22:23:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:23:20,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-12-02 22:23:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-12-02 22:23:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:23:21,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-12-02 22:23:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-12-02 22:23:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:23:21,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-12-02 22:23:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-12-02 22:23:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:23:21,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:21,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-12-02 22:23:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-12-02 22:23:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:23:22,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:22,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-12-02 22:23:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-12-02 22:23:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:23:22,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:22,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-12-02 22:23:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-12-02 22:23:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:23:22,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-12-02 22:23:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-12-02 22:23:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:23:23,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-12-02 22:23:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-12-02 22:23:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:23:23,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:23,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:23,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:23:23,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:23:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2023-12-02 22:23:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-12-02 22:23:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:23:24,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:24,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:24,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:23:24,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:23:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2023-12-02 22:23:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2023-12-02 22:23:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:23:24,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:24,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2023-12-02 22:23:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2023-12-02 22:23:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:23:24,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:24,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 149 transitions. [2023-12-02 22:23:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2023-12-02 22:23:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:23:25,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:25,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2023-12-02 22:23:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2023-12-02 22:23:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:23:26,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 160 transitions. [2023-12-02 22:23:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2023-12-02 22:23:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:23:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:26,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:23:26,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:23:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 109 states and 182 transitions. [2023-12-02 22:23:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2023-12-02 22:23:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:23:26,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:26,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2023-12-02 22:23:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-12-02 22:23:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:23:27,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2023-12-02 22:23:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2023-12-02 22:23:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:23:27,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:27,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 191 transitions. [2023-12-02 22:23:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2023-12-02 22:23:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:23:28,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:28,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 117 states and 194 transitions. [2023-12-02 22:23:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 194 transitions. [2023-12-02 22:23:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:23:28,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:28,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:28,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:23:28,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:23:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 130 states and 223 transitions. [2023-12-02 22:23:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2023-12-02 22:23:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:23:30,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:30,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 131 states and 231 transitions. [2023-12-02 22:23:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 231 transitions. [2023-12-02 22:23:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:23:30,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:30,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:31,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 131 states and 224 transitions. [2023-12-02 22:23:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2023-12-02 22:23:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:23:31,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 132 states and 227 transitions. [2023-12-02 22:23:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 227 transitions. [2023-12-02 22:23:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:23:32,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 135 states and 230 transitions. [2023-12-02 22:23:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 230 transitions. [2023-12-02 22:23:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:23:32,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 239 transitions. [2023-12-02 22:23:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 239 transitions. [2023-12-02 22:23:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:23:33,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:33,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 231 transitions. [2023-12-02 22:23:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 231 transitions. [2023-12-02 22:23:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:23:34,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2023-12-02 22:23:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2023-12-02 22:23:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:23:34,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:34,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 140 states and 237 transitions. [2023-12-02 22:23:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2023-12-02 22:23:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:23:35,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 247 transitions. [2023-12-02 22:23:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 247 transitions. [2023-12-02 22:23:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:23:35,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 141 states and 238 transitions. [2023-12-02 22:23:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2023-12-02 22:23:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:23:36,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:36,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 142 states and 241 transitions. [2023-12-02 22:23:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2023-12-02 22:23:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:23:37,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2023-12-02 22:23:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2023-12-02 22:23:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:23:38,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:38,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2023-12-02 22:23:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2023-12-02 22:23:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 22:23:38,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:38,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:38,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:23:38,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:23:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 159 states and 272 transitions. [2023-12-02 22:23:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 272 transitions. [2023-12-02 22:23:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 22:23:39,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 153 states and 253 transitions. [2023-12-02 22:23:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 253 transitions. [2023-12-02 22:23:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:23:40,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:40,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 153 states and 251 transitions. [2023-12-02 22:23:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 251 transitions. [2023-12-02 22:23:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:23:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:41,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 152 states and 250 transitions. [2023-12-02 22:23:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 250 transitions. [2023-12-02 22:23:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:23:41,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-12-02 22:23:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 140 states and 222 transitions. [2023-12-02 22:23:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2023-12-02 22:23:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:23:42,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:42,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 140 states and 220 transitions. [2023-12-02 22:23:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-12-02 22:23:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 22:23:43,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:43,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:43,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:23:43,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 22:23:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 150 states and 242 transitions. [2023-12-02 22:23:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-02 22:23:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:23:44,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:44,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:44,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:23:44,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 18 proven. 176 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:23:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 163 states and 269 transitions. [2023-12-02 22:23:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 269 transitions. [2023-12-02 22:23:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 22:23:46,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:46,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:23:46,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 18 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 22:23:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 176 states and 295 transitions. [2023-12-02 22:23:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 295 transitions. [2023-12-02 22:23:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 22:23:47,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:47,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:23:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:47,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:23:47,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 612 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 22:23:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 165 states and 276 transitions. [2023-12-02 22:23:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2023-12-02 22:23:49,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:23:49,435 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2023-12-02 22:23:49,443 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 22:23:49,735 INFO L560 CodeCheckObserver]: Invariant with dag size 44 [2023-12-02 22:23:49,744 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:23:49,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:23:49,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:23:49 ImpRootNode [2023-12-02 22:23:49,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:23:49,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:23:49,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:23:49,746 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:23:49,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:23:18" (3/4) ... [2023-12-02 22:23:49,748 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:23:49,751 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 22:23:49,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 22:23:49,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 22:23:49,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:23:49,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:23:49,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:23:49,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:23:49,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:23:49,859 INFO L158 Benchmark]: Toolchain (without parser) took 32516.34ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 123.1MB in the beginning and 285.4MB in the end (delta: -162.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,859 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:23:49,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.27ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 131.7MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.75ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,861 INFO L158 Benchmark]: Boogie Preprocessor took 22.58ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 129.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:23:49,861 INFO L158 Benchmark]: RCFGBuilder took 463.67ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 110.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,862 INFO L158 Benchmark]: CodeCheck took 31557.41ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 110.8MB in the beginning and 290.6MB in the end (delta: -179.8MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,862 INFO L158 Benchmark]: Witness Printer took 112.22ms. Allocated memory is still 339.7MB. Free memory was 290.6MB in the beginning and 285.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:23:49,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 55, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8548 SdHoareTripleChecker+Valid, 48.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7634 mSDsluCounter, 7164 SdHoareTripleChecker+Invalid, 40.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4464 mSDsCounter, 9480 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29590 IncrementalHoareTripleChecker+Invalid, 39070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9480 mSolverCounterUnsat, 2700 mSDtfsCounter, 29590 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18627 GetRequests, 16778 SyntacticMatches, 1559 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69582 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 1979 NumberOfCodeBlocks, 1979 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1925 ConstructedInterpolants, 0 QuantifiedInterpolants, 5771 SizeOfPredicates, 103 NumberOfNonLiveVariables, 1743 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 54 InterpolantComputations, 7 PerfectInterpolantSequences, 2112/6072 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((counter <= 10) && (9 < counter)) || ((counter <= 1) && (1 <= counter))) || ((counter <= 3) && (2 < counter))) || ((counter <= 5) && (4 < counter))) || (counter == 0)) || ((counter <= 6) && (5 < counter))) || ((1 < counter) && (counter <= 2))) || ((8 < counter) && (counter <= 9))) || ((6 < counter) && (counter <= 7))) || ((counter <= 4) && (3 < counter))) || ((7 < counter) && (counter <= 8))) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.27ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 131.7MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.75ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.58ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 129.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.67ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 110.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 31557.41ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 110.8MB in the beginning and 290.6MB in the end (delta: -179.8MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. * Witness Printer took 112.22ms. Allocated memory is still 339.7MB. Free memory was 290.6MB in the beginning and 285.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:23:49,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95199797-a858-43cb-ae0b-c6a5152db91a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE