./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-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_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/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_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/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_a2871ab4-fd5e-4394-9989-185ff9dc5450/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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:56,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:56,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:17:56,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:56,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:56,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:56,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:56,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:56,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:56,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:56,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:56,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:56,554 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:56,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:56,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:56,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:56,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:56,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:56,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:56,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:17:56,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:17:56,559 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:56,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:56,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:56,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:56,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:56,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:56,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:56,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:56,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:56,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:56,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:56,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:56,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:56,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:56,563 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_a2871ab4-fd5e-4394-9989-185ff9dc5450/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2023-12-02 22:17:56,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:56,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:56,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:56,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:56,817 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:56,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-12-02 22:17:59,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:59,732 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:59,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-12-02 22:17:59,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/data/4864df172/c1506cdeb93d47d492d6c013ae923b87/FLAG411ddd68c [2023-12-02 22:17:59,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/data/4864df172/c1506cdeb93d47d492d6c013ae923b87 [2023-12-02 22:17:59,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:59,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:59,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:59,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:59,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:59,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4466e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59, skipping insertion in model container [2023-12-02 22:17:59,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:59,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:59,927 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:59,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:59,956 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:59,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59 WrapperNode [2023-12-02 22:17:59,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:59,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:59,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:59,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:59,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,985 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-12-02 22:17:59,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:59,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:59,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:59,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:59,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:18:00,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:18:00,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:18:00,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:18:00,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:18:00,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:18:00,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:18:00,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:18:00,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:18:00,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:18:00,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:18:00,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:18:00,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:18:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:18:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:18:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:18:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:18:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:18:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:18:00,135 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:18:00,137 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:18:00,297 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:18:00,353 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:18:00,353 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:18:00,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00 BoogieIcfgContainer [2023-12-02 22:18:00,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:18:00,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:18:00,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:18:00,366 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:18:00,366 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:18:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 22:18:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 22:18:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:18:00,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:00,590 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 22:18:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-12-02 22:18:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-12-02 22:18:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:18:00,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:00,691 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 22:18:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-02 22:18:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-02 22:18:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:18:00,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:00,764 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 22:18:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 22:18:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 22:18:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:18:00,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:00,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:18:00,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:00,958 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 22:18:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-12-02 22:18:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-02 22:18:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:18:01,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:01,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:01,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:18:01,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:18:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2023-12-02 22:18:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2023-12-02 22:18:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:18:01,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:01,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:01,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:18:01,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:01,675 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 22:18:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2023-12-02 22:18:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2023-12-02 22:18:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:18:02,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:02,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:02,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:18:02,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:18:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-12-02 22:18:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-12-02 22:18:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:18:02,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:02,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:02,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:18:02,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:18:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2023-12-02 22:18:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2023-12-02 22:18:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:18:02,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:02,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:02,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:18:02,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:18:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2023-12-02 22:18:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2023-12-02 22:18:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:18:03,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:03,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:18:03,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:03,310 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 22:18:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2023-12-02 22:18:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-12-02 22:18:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:18:03,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:03,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:18:03,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:18:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 76 states and 140 transitions. [2023-12-02 22:18:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 140 transitions. [2023-12-02 22:18:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:18:03,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:03,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:03,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:18:03,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:18:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 158 transitions. [2023-12-02 22:18:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2023-12-02 22:18:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:18:04,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:04,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:04,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:18:04,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:18:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 86 states and 166 transitions. [2023-12-02 22:18:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2023-12-02 22:18:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:18:04,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:04,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:04,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:18:04,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:18:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 190 transitions. [2023-12-02 22:18:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 190 transitions. [2023-12-02 22:18:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:18:05,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:05,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:05,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:18:05,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 95 states and 189 transitions. [2023-12-02 22:18:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 189 transitions. [2023-12-02 22:18:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:18:06,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:06,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:18:06,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 103 states and 210 transitions. [2023-12-02 22:18:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 210 transitions. [2023-12-02 22:18:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:18:06,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:06,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:18:06,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 109 states and 223 transitions. [2023-12-02 22:18:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 223 transitions. [2023-12-02 22:18:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:18:07,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:07,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:18:07,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 113 states and 232 transitions. [2023-12-02 22:18:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 232 transitions. [2023-12-02 22:18:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:18:07,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:07,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:18:07,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 119 states and 252 transitions. [2023-12-02 22:18:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 252 transitions. [2023-12-02 22:18:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 22:18:08,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:08,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:08,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:18:08,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:18:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 128 states and 276 transitions. [2023-12-02 22:18:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 276 transitions. [2023-12-02 22:18:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:18:08,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:08,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:08,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:18:08,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 128 states and 274 transitions. [2023-12-02 22:18:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 274 transitions. [2023-12-02 22:18:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:18:09,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:18:09,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 128 states and 271 transitions. [2023-12-02 22:18:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 271 transitions. [2023-12-02 22:18:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:18:09,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:18:09,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 131 states and 275 transitions. [2023-12-02 22:18:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 275 transitions. [2023-12-02 22:18:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:18:10,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:10,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:18:10,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 135 states and 276 transitions. [2023-12-02 22:18:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 276 transitions. [2023-12-02 22:18:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:18:10,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:10,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:18:10,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 22:18:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 284 transitions. [2023-12-02 22:18:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 284 transitions. [2023-12-02 22:18:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 22:18:11,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:11,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:11,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:18:11,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 152 states and 314 transitions. [2023-12-02 22:18:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 314 transitions. [2023-12-02 22:18:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:18:12,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:12,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:18:12,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:18:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 152 states and 310 transitions. [2023-12-02 22:18:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 310 transitions. [2023-12-02 22:18:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:18:13,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:13,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:18:13,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:18:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2023-12-02 22:18:14,066 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2023-12-02 22:18:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:18:14,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:14,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:14,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:18:14,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 248 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:18:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 326 transitions. [2023-12-02 22:18:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 326 transitions. [2023-12-02 22:18:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:18:14,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:14,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:18:14,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:18:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 161 states and 324 transitions. [2023-12-02 22:18:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 324 transitions. [2023-12-02 22:18:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:18:15,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:15,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:18:15,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 22:18:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 168 states and 332 transitions. [2023-12-02 22:18:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 332 transitions. [2023-12-02 22:18:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 22:18:16,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:16,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:16,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:18:16,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:18:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 176 states and 356 transitions. [2023-12-02 22:18:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 356 transitions. [2023-12-02 22:18:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:18:16,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:17,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:18:17,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:18:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 183 states and 364 transitions. [2023-12-02 22:18:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 364 transitions. [2023-12-02 22:18:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 22:18:17,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:17,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:18:17,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:18:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 183 states and 356 transitions. [2023-12-02 22:18:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 356 transitions. [2023-12-02 22:18:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 22:18:18,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:18,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:18:18,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:18:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 379 transitions. [2023-12-02 22:18:19,641 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2023-12-02 22:18:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 22:18:19,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:19,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:18:19,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:18:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 194 states and 385 transitions. [2023-12-02 22:18:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 385 transitions. [2023-12-02 22:18:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 22:18:20,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:20,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:18:20,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:18:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 199 states and 409 transitions. [2023-12-02 22:18:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 409 transitions. [2023-12-02 22:18:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 22:18:21,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:21,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:21,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:18:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 22:18:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 204 states and 420 transitions. [2023-12-02 22:18:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 420 transitions. [2023-12-02 22:18:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 22:18:22,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:22,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:22,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:18:22,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:22,697 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 22:18:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 211 states and 428 transitions. [2023-12-02 22:18:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 428 transitions. [2023-12-02 22:18:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 22:18:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:23,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:18:23,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 22:18:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 211 states and 426 transitions. [2023-12-02 22:18:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 426 transitions. [2023-12-02 22:18:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 22:18:24,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:24,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:24,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:18:24,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 22:18:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 211 states and 422 transitions. [2023-12-02 22:18:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 422 transitions. [2023-12-02 22:18:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 22:18:25,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:25,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:18:25,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 22:18:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 221 states and 458 transitions. [2023-12-02 22:18:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 458 transitions. [2023-12-02 22:18:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 22:18:26,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:26,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:18:26,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 22:18:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 228 states and 472 transitions. [2023-12-02 22:18:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 472 transitions. [2023-12-02 22:18:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 22:18:28,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:28,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:18:28,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 744 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 22:18:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 228 states and 470 transitions. [2023-12-02 22:18:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 470 transitions. [2023-12-02 22:18:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 22:18:29,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:29,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:18:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 22:18:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 228 states and 463 transitions. [2023-12-02 22:18:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 463 transitions. [2023-12-02 22:18:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 22:18:30,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:30,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:30,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:18:30,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 22:18:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 228 states and 459 transitions. [2023-12-02 22:18:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 459 transitions. [2023-12-02 22:18:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 22:18:31,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:31,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:18:31,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 22:18:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 236 states and 487 transitions. [2023-12-02 22:18:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 487 transitions. [2023-12-02 22:18:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 22:18:32,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:32,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:32,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:18:32,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:18:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 245 states and 511 transitions. [2023-12-02 22:18:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 511 transitions. [2023-12-02 22:18:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 22:18:33,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:33,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:18:33,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 22:18:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 245 states and 509 transitions. [2023-12-02 22:18:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 509 transitions. [2023-12-02 22:18:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 22:18:34,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:34,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:18:34,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 22:18:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 245 states and 501 transitions. [2023-12-02 22:18:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 501 transitions. [2023-12-02 22:18:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 22:18:36,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:36,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:36,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:18:36,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 22:18:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 247 states and 506 transitions. [2023-12-02 22:18:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 506 transitions. [2023-12-02 22:18:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:18:37,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:37,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:37,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:18:37,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 816 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 22:18:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 251 states and 507 transitions. [2023-12-02 22:18:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 507 transitions. [2023-12-02 22:18:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 22:18:39,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:39,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:39,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 22:18:39,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 22:18:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 259 states and 519 transitions. [2023-12-02 22:18:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 519 transitions. [2023-12-02 22:18:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 22:18:41,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:41,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:41,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:18:41,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:18:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 259 states and 517 transitions. [2023-12-02 22:18:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 517 transitions. [2023-12-02 22:18:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 22:18:42,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:42,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:42,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:18:42,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:18:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 508 transitions. [2023-12-02 22:18:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 508 transitions. [2023-12-02 22:18:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 22:18:44,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:44,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:18:44,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 27 proven. 1143 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:18:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 501 transitions. [2023-12-02 22:18:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 501 transitions. [2023-12-02 22:18:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 22:18:45,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:45,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:45,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 22:18:45,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 30 proven. 1170 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:18:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 258 states and 500 transitions. [2023-12-02 22:18:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 500 transitions. [2023-12-02 22:18:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 22:18:46,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:46,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:46,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:18:46,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-12-02 22:18:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:47,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 258 states and 493 transitions. [2023-12-02 22:18:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2023-12-02 22:18:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-02 22:18:47,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:47,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:47,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:18:47,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 30 proven. 1180 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:18:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 257 states and 492 transitions. [2023-12-02 22:18:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 492 transitions. [2023-12-02 22:18:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 22:18:48,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:48,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:18:48,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1420 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 22:18:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 223 states and 410 transitions. [2023-12-02 22:18:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 410 transitions. [2023-12-02 22:18:50,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:18:50,512 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2023-12-02 22:18:50,519 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 22:18:50,751 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:18:50,755 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:18:50,755 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:18:50,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:18:50 ImpRootNode [2023-12-02 22:18:50,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:18:50,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:18:50,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:18:50,756 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:18:50,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00" (3/4) ... [2023-12-02 22:18:50,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:18:50,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 22:18:50,764 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 22:18:50,764 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 22:18:50,764 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:18:50,764 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:18:50,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:18:50,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:18:50,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:18:50,844 INFO L158 Benchmark]: Toolchain (without parser) took 51087.97ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 110.4MB in the beginning and 261.0MB in the end (delta: -150.6MB). Peak memory consumption was 171.3MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,845 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:50,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.81ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 99.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.29ms. Allocated memory is still 155.2MB. Free memory was 99.3MB in the beginning and 98.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:50,846 INFO L158 Benchmark]: Boogie Preprocessor took 21.25ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,846 INFO L158 Benchmark]: RCFGBuilder took 346.90ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 81.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,847 INFO L158 Benchmark]: CodeCheck took 50399.51ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 81.4MB in the beginning and 266.3MB in the end (delta: -184.8MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,847 INFO L158 Benchmark]: Witness Printer took 88.23ms. Allocated memory is still 474.0MB. Free memory was 266.3MB in the beginning and 261.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:18:50,849 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 50.1s, OverallIterations: 61, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16597 SdHoareTripleChecker+Valid, 82.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14679 mSDsluCounter, 16018 SdHoareTripleChecker+Invalid, 67.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9922 mSDsCounter, 24600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66269 IncrementalHoareTripleChecker+Invalid, 90869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24600 mSolverCounterUnsat, 6096 mSDtfsCounter, 66269 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45645 GetRequests, 40859 SyntacticMatches, 4270 SemanticMatches, 516 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233026 ImplicationChecksByTransitivity, 37.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 4684 NumberOfCodeBlocks, 4684 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 4624 ConstructedInterpolants, 0 QuantifiedInterpolants, 14718 SizeOfPredicates, 654 NumberOfNonLiveVariables, 13402 ConjunctsInSsa, 783 ConjunctsInUnsatCore, 60 InterpolantComputations, 24 PerfectInterpolantSequences, 13030/26780 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: 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: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.81ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 99.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.29ms. Allocated memory is still 155.2MB. Free memory was 99.3MB in the beginning and 98.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.25ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.90ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 81.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 50399.51ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 81.4MB in the beginning and 266.3MB in the end (delta: -184.8MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. * Witness Printer took 88.23ms. Allocated memory is still 474.0MB. Free memory was 266.3MB in the beginning and 261.0MB 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 22:18:50,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2871ab4-fd5e-4394-9989-185ff9dc5450/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