./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.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_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/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_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/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_52b41899-a10b-4a00-9c3e-453980fdff39/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 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:06:53,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:06:53,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:06:53,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:06:53,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:06:53,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:06:53,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:06:53,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:06:53,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:06:53,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:06:53,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:06:53,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:06:53,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:06:53,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:06:53,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:06:53,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:06:53,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:06:53,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:06:53,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:06:53,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:06:53,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:06:53,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:06:53,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:06:53,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:06:53,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:06:53,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:06:53,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:06:53,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:06:53,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:06:53,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:06:53,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:06:53,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:06:53,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:06:53,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:06:53,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:06:53,479 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_52b41899-a10b-4a00-9c3e-453980fdff39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d [2023-12-02 21:06:53,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:06:53,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:06:53,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:06:53,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:06:53,755 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:06:53,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2023-12-02 21:06:56,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:06:56,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:06:56,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2023-12-02 21:06:56,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/data/002908d06/cbe7df29fa924c3ca2aa8c19522927e9/FLAGff115b7dd [2023-12-02 21:06:56,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/data/002908d06/cbe7df29fa924c3ca2aa8c19522927e9 [2023-12-02 21:06:56,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:06:56,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:06:56,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:06:56,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:06:56,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:06:56,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:06:56" (1/1) ... [2023-12-02 21:06:56,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1db8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:56, skipping insertion in model container [2023-12-02 21:06:56,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:06:56" (1/1) ... [2023-12-02 21:06:56,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:06:57,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:06:57,028 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:06:57,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:06:57,056 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:06:57,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57 WrapperNode [2023-12-02 21:06:57,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:06:57,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:06:57,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:06:57,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:06:57,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,094 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-12-02 21:06:57,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:06:57,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:06:57,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:06:57,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:06:57,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:06:57,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:06:57,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:06:57,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:06:57,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:06:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:06:57,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:06:57,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:06:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:06:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:06:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:06:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:06:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-12-02 21:06:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-12-02 21:06:57,270 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:06:57,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:06:57,391 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:06:57,427 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:06:57,427 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:06:57,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:06:57 BoogieIcfgContainer [2023-12-02 21:06:57,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:06:57,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:06:57,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:06:57,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:06:57,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:06:57" (1/1) ... [2023-12-02 21:06:57,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:06:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-12-02 21:06:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-02 21:06:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:06:57,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:57,798 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 21:06:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-12-02 21:06:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-12-02 21:06:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:06:57,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:57,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:57,998 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 21:06:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2023-12-02 21:06:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-12-02 21:06:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:06:58,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:58,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2023-12-02 21:06:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-12-02 21:06:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:06:58,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2023-12-02 21:06:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-12-02 21:06:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:06:58,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2023-12-02 21:06:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-12-02 21:06:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:06:58,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:58,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2023-12-02 21:06:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-02 21:06:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:06:59,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:59,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2023-12-02 21:06:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-12-02 21:06:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:06:59,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:59,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2023-12-02 21:07:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-12-02 21:07:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:07:00,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2023-12-02 21:07:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-12-02 21:07:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:07:00,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:00,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:00,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2023-12-02 21:07:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-12-02 21:07:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:07:00,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2023-12-02 21:07:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-12-02 21:07:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 21:07:01,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2023-12-02 21:07:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-12-02 21:07:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:07:01,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:02,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:02,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 81 transitions. [2023-12-02 21:07:02,546 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-12-02 21:07:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:07:02,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:02,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 87 transitions. [2023-12-02 21:07:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-02 21:07:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:07:03,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:03,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 93 transitions. [2023-12-02 21:07:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-12-02 21:07:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:07:03,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:03,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 99 transitions. [2023-12-02 21:07:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-12-02 21:07:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:07:04,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:04,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 105 transitions. [2023-12-02 21:07:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-12-02 21:07:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:07:05,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 111 transitions. [2023-12-02 21:07:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2023-12-02 21:07:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 21:07:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 117 transitions. [2023-12-02 21:07:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2023-12-02 21:07:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:07:06,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 123 transitions. [2023-12-02 21:07:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-12-02 21:07:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 21:07:07,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:07,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:08,025 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 129 transitions. [2023-12-02 21:07:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2023-12-02 21:07:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 21:07:08,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:08,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 135 transitions. [2023-12-02 21:07:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2023-12-02 21:07:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:07:09,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:07:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2023-12-02 21:07:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2023-12-02 21:07:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 21:07:10,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2023-12-02 21:07:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2023-12-02 21:07:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 21:07:10,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2023-12-02 21:07:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2023-12-02 21:07:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 21:07:10,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-12-02 21:07:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 155 transitions. [2023-12-02 21:07:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2023-12-02 21:07:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 21:07:11,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2023-12-02 21:07:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2023-12-02 21:07:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 21:07:12,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 201 transitions. [2023-12-02 21:07:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2023-12-02 21:07:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 21:07:13,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 222 transitions. [2023-12-02 21:07:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2023-12-02 21:07:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 21:07:14,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 242 transitions. [2023-12-02 21:07:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2023-12-02 21:07:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 21:07:14,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:14,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 142 states and 261 transitions. [2023-12-02 21:07:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2023-12-02 21:07:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:07:15,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:15,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 279 transitions. [2023-12-02 21:07:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 279 transitions. [2023-12-02 21:07:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 21:07:16,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 152 states and 296 transitions. [2023-12-02 21:07:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2023-12-02 21:07:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-02 21:07:17,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 157 states and 312 transitions. [2023-12-02 21:07:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2023-12-02 21:07:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 21:07:18,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:18,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 162 states and 327 transitions. [2023-12-02 21:07:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2023-12-02 21:07:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 21:07:19,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 167 states and 341 transitions. [2023-12-02 21:07:20,948 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 341 transitions. [2023-12-02 21:07:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 21:07:20,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:20,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 172 states and 354 transitions. [2023-12-02 21:07:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 354 transitions. [2023-12-02 21:07:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-02 21:07:22,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 177 states and 366 transitions. [2023-12-02 21:07:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 366 transitions. [2023-12-02 21:07:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 21:07:23,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:23,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 182 states and 377 transitions. [2023-12-02 21:07:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 377 transitions. [2023-12-02 21:07:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 21:07:24,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 187 states and 387 transitions. [2023-12-02 21:07:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 387 transitions. [2023-12-02 21:07:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 21:07:25,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 192 states and 396 transitions. [2023-12-02 21:07:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 396 transitions. [2023-12-02 21:07:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 21:07:27,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 197 states and 404 transitions. [2023-12-02 21:07:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 404 transitions. [2023-12-02 21:07:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 21:07:28,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 202 states and 411 transitions. [2023-12-02 21:07:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2023-12-02 21:07:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 21:07:29,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 207 states and 417 transitions. [2023-12-02 21:07:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 417 transitions. [2023-12-02 21:07:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 21:07:31,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-12-02 21:07:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 208 states and 418 transitions. [2023-12-02 21:07:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2023-12-02 21:07:32,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:07:32,499 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2023-12-02 21:07:32,508 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 21:07:32,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:07:32 ImpRootNode [2023-12-02 21:07:32,922 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:07:32,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:07:32,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:07:32,923 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:07:32,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:06:57" (3/4) ... [2023-12-02 21:07:32,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:07:32,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-12-02 21:07:32,932 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-02 21:07:32,932 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 21:07:32,932 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:07:32,932 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:07:32,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:07:32,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:07:32,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:07:32,998 INFO L158 Benchmark]: Toolchain (without parser) took 36164.02ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 105.8MB in the beginning and 205.6MB in the end (delta: -99.9MB). Peak memory consumption was 241.3MB. Max. memory is 16.1GB. [2023-12-02 21:07:32,998 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:32,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.02ms. Allocated memory is still 148.9MB. Free memory was 105.8MB in the beginning and 95.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:07:32,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.22ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 94.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:32,998 INFO L158 Benchmark]: Boogie Preprocessor took 21.57ms. Allocated memory is still 148.9MB. Free memory was 94.5MB in the beginning and 93.7MB in the end (delta: 835.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:32,999 INFO L158 Benchmark]: RCFGBuilder took 311.69ms. Allocated memory is still 148.9MB. Free memory was 93.6MB in the beginning and 83.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:07:32,999 INFO L158 Benchmark]: CodeCheck took 35491.37ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 83.2MB in the beginning and 209.8MB in the end (delta: -126.6MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:32,999 INFO L158 Benchmark]: Witness Printer took 74.64ms. Allocated memory is still 488.6MB. Free memory was 209.8MB in the beginning and 205.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:07:33,002 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5861 SdHoareTripleChecker+Valid, 45.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5609 mSDsluCounter, 4742 SdHoareTripleChecker+Invalid, 38.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 804 mSDsCounter, 14763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38354 IncrementalHoareTripleChecker+Invalid, 53117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14763 mSolverCounterUnsat, 3938 mSDtfsCounter, 38354 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57131 GetRequests, 54895 SyntacticMatches, 1896 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47631 ImplicationChecksByTransitivity, 21.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 4523 NumberOfCodeBlocks, 4523 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4478 ConstructedInterpolants, 0 QuantifiedInterpolants, 8888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 21788/35718 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.02ms. Allocated memory is still 148.9MB. Free memory was 105.8MB in the beginning and 95.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.22ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 94.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.57ms. Allocated memory is still 148.9MB. Free memory was 94.5MB in the beginning and 93.7MB in the end (delta: 835.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.69ms. Allocated memory is still 148.9MB. Free memory was 93.6MB in the beginning and 83.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 35491.37ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 83.2MB in the beginning and 209.8MB in the end (delta: -126.6MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. * Witness Printer took 74.64ms. Allocated memory is still 488.6MB. Free memory was 209.8MB in the beginning and 205.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:07:33,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b41899-a10b-4a00-9c3e-453980fdff39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE