./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/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_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:06:20,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:06:20,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-02 23:06:20,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:06:20,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:06:20,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:06:20,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:06:20,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:06:20,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:06:20,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:06:20,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:06:20,830 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:06:20,831 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:06:20,831 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:06:20,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:06:20,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:06:20,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:06:20,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:06:20,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:06:20,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:06:20,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:06:20,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:20,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:06:20,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:06:20,837 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:06:20,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:06:20,838 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_117a3f6c-3629-4796-aa37-d8d8869fe84f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2023-12-02 23:06:21,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:06:21,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:06:21,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:06:21,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:06:21,169 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:06:21,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2023-12-02 23:06:24,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:06:24,542 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:06:24,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2023-12-02 23:06:24,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/data/a2c0eb977/5a2eb7bc245e46fb8dade24e4c69d68f/FLAG69b05762c [2023-12-02 23:06:24,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/data/a2c0eb977/5a2eb7bc245e46fb8dade24e4c69d68f [2023-12-02 23:06:24,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:06:24,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:06:24,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:24,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:06:24,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:06:24,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:24" (1/1) ... [2023-12-02 23:06:24,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9be388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:24, skipping insertion in model container [2023-12-02 23:06:24,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:24" (1/1) ... [2023-12-02 23:06:24,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:06:24,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:24,939 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:06:24,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:25,009 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:06:25,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25 WrapperNode [2023-12-02 23:06:25,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:25,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:25,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:06:25,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:06:25,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,055 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-12-02 23:06:25,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:25,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:06:25,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:06:25,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:06:25,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:06:25,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:06:25,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:06:25,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:06:25,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:25,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:06:25,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:06:25,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:06:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:06:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:06:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:06:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:06:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:06:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:06:25,268 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:06:25,270 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:06:25,449 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:06:25,483 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:06:25,484 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:06:25,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:25 BoogieIcfgContainer [2023-12-02 23:06:25,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:06:25,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:06:25,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:06:25,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:06:25,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:25" (1/1) ... [2023-12-02 23:06:25,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:06:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2023-12-02 23:06:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-12-02 23:06:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:06:25,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2023-12-02 23:06:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-12-02 23:06:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:06:25,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2023-12-02 23:06:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2023-12-02 23:06:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:06:26,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2023-12-02 23:06:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2023-12-02 23:06:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:06:26,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-12-02 23:06:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-12-02 23:06:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:06:26,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2023-12-02 23:06:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-12-02 23:06:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:06:26,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-12-02 23:06:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-12-02 23:06:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:26,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-12-02 23:06:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-12-02 23:06:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:26,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:26,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2023-12-02 23:06:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-12-02 23:06:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:27,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2023-12-02 23:06:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-12-02 23:06:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:27,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:27,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2023-12-02 23:06:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2023-12-02 23:06:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:06:27,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2023-12-02 23:06:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-12-02 23:06:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:06:28,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2023-12-02 23:06:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-12-02 23:06:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:06:28,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2023-12-02 23:06:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-12-02 23:06:28,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:06:28,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2023-12-02 23:06:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-12-02 23:06:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:06:28,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2023-12-02 23:06:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-12-02 23:06:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:06:28,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2023-12-02 23:06:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-12-02 23:06:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:06:28,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2023-12-02 23:06:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2023-12-02 23:06:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:06:28,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2023-12-02 23:06:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-12-02 23:06:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:06:29,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2023-12-02 23:06:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2023-12-02 23:06:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:06:29,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2023-12-02 23:06:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2023-12-02 23:06:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:06:29,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2023-12-02 23:06:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-12-02 23:06:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:06:29,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2023-12-02 23:06:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-12-02 23:06:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:06:30,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:06:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-12-02 23:06:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-12-02 23:06:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:06:30,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:30,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:06:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-12-02 23:06:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-02 23:06:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:06:30,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-02 23:06:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-02 23:06:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:06:32,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-12-02 23:06:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-12-02 23:06:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:06:35,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-12-02 23:06:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-12-02 23:06:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:06:37,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2023-12-02 23:06:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-12-02 23:06:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:06:40,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:40,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-12-02 23:06:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-12-02 23:06:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:06:43,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-12-02 23:06:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-12-02 23:06:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:06:47,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:47,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2023-12-02 23:06:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-02 23:06:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:06:51,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 17 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-12-02 23:06:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-02 23:06:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:06:56,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 19 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2023-12-02 23:07:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-12-02 23:07:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:07:01,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 21 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2023-12-02 23:07:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2023-12-02 23:07:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 23:07:06,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:07:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:44,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 200 transitions. [2023-12-02 23:07:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2023-12-02 23:07:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 23:07:44,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 139 proven. 25 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:07:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 160 states and 210 transitions. [2023-12-02 23:07:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2023-12-02 23:07:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:07:53,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:53,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 199 proven. 46 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 169 states and 220 transitions. [2023-12-02 23:08:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2023-12-02 23:08:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 23:08:01,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:01,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 259 proven. 76 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 178 states and 230 transitions. [2023-12-02 23:08:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 230 transitions. [2023-12-02 23:08:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 23:08:10,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 319 proven. 115 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 187 states and 240 transitions. [2023-12-02 23:08:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 240 transitions. [2023-12-02 23:08:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 23:08:20,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:20,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 379 proven. 163 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 196 states and 250 transitions. [2023-12-02 23:08:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 250 transitions. [2023-12-02 23:08:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 23:08:29,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 439 proven. 220 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 205 states and 260 transitions. [2023-12-02 23:08:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2023-12-02 23:08:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 23:08:39,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:39,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 499 proven. 286 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:08:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 270 transitions. [2023-12-02 23:08:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 270 transitions. [2023-12-02 23:08:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-02 23:08:51,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 559 proven. 361 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-12-02 23:09:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 223 states and 280 transitions. [2023-12-02 23:09:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 280 transitions. [2023-12-02 23:09:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 23:09:02,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:02,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2023-12-02 23:11:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 306 states and 394 transitions. [2023-12-02 23:11:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 394 transitions. [2023-12-02 23:11:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 23:11:29,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 1251 proven. 194 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:12:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 307 states and 370 transitions. [2023-12-02 23:12:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 370 transitions. [2023-12-02 23:12:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 23:12:42,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:42,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 1290 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:12:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 314 states and 378 transitions. [2023-12-02 23:12:57,254 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 378 transitions. [2023-12-02 23:12:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 23:12:57,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:57,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 1401 proven. 203 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:13:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 159 states and 158 transitions. [2023-12-02 23:13:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2023-12-02 23:13:04,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:13:04,865 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2023-12-02 23:13:04,873 INFO L751 CodeCheckObserver]: All specifications hold 19 specifications checked. All of them hold [2023-12-02 23:13:06,742 INFO L560 CodeCheckObserver]: Invariant with dag size 38 [2023-12-02 23:13:06,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated [2023-12-02 23:13:06,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated [2023-12-02 23:13:06,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated [2023-12-02 23:13:06,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated [2023-12-02 23:13:06,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-02 23:13:06,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-02 23:13:06,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-02 23:13:06,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-02 23:13:06,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-02 23:13:06,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-02 23:13:06,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated [2023-12-02 23:13:06,753 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2023-12-02 23:13:06,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated [2023-12-02 23:13:06,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated [2023-12-02 23:13:06,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated [2023-12-02 23:13:06,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated [2023-12-02 23:13:06,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-02 23:13:06,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-02 23:13:06,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-02 23:13:06,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-02 23:13:06,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated [2023-12-02 23:13:06,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated [2023-12-02 23:13:06,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated [2023-12-02 23:13:06,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-02 23:13:06,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-02 23:13:06,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-02 23:13:06,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-02 23:13:06,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated [2023-12-02 23:13:06,758 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 23:13:06,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:13:06 ImpRootNode [2023-12-02 23:13:06,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:13:06,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:13:06,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:13:06,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:13:06,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:25" (3/4) ... [2023-12-02 23:13:06,760 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:13:06,765 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 23:13:06,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 23:13:06,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 23:13:06,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 23:13:06,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:13:06,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:13:06,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:13:06,835 INFO L158 Benchmark]: Toolchain (without parser) took 402251.78ms. Allocated memory was 209.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 174.9MB in the beginning and 811.2MB in the end (delta: -636.3MB). Peak memory consumption was 724.4MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,835 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:13:06,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.87ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 158.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.03ms. Allocated memory is still 209.7MB. Free memory was 158.9MB in the beginning and 156.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,836 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 209.7MB. Free memory was 156.8MB in the beginning and 156.1MB in the end (delta: 786.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,837 INFO L158 Benchmark]: RCFGBuilder took 399.59ms. Allocated memory is still 209.7MB. Free memory was 156.1MB in the beginning and 141.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,837 INFO L158 Benchmark]: CodeCheck took 401271.46ms. Allocated memory was 209.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 141.4MB in the beginning and 815.4MB in the end (delta: -674.0MB). Peak memory consumption was 686.7MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,837 INFO L158 Benchmark]: Witness Printer took 75.39ms. Allocated memory is still 1.6GB. Free memory was 815.4MB in the beginning and 811.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:13:06,840 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 1 procedures, 34 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 399.4s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11384 SdHoareTripleChecker+Valid, 41.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10983 mSDsluCounter, 6310 SdHoareTripleChecker+Invalid, 36.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5679 mSDsCounter, 4143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26518 IncrementalHoareTripleChecker+Invalid, 30661 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4143 mSolverCounterUnsat, 631 mSDtfsCounter, 26518 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20475 GetRequests, 18045 SyntacticMatches, 1112 SemanticMatches, 1318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913296 ImplicationChecksByTransitivity, 366.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 69.0s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 2272 ConstructedInterpolants, 0 QuantifiedInterpolants, 18381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 26 PerfectInterpolantSequences, 10619/13499 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.87ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 158.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.03ms. Allocated memory is still 209.7MB. Free memory was 158.9MB in the beginning and 156.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 209.7MB. Free memory was 156.8MB in the beginning and 156.1MB in the end (delta: 786.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.59ms. Allocated memory is still 209.7MB. Free memory was 156.1MB in the beginning and 141.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 401271.46ms. Allocated memory was 209.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 141.4MB in the beginning and 815.4MB in the end (delta: -674.0MB). Peak memory consumption was 686.7MB. Max. memory is 16.1GB. * Witness Printer took 75.39ms. Allocated memory is still 1.6GB. Free memory was 815.4MB in the beginning and 811.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc2!base := 0][#t~malloc3!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][~i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 23:13:06,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117a3f6c-3629-4796-aa37-d8d8869fe84f/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