./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/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_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/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 64bit --witnessprinter.graph.data.programhash 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:34:18,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:34:18,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:34:18,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:34:18,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:34:18,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:34:18,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:34:18,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:34:18,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:34:18,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:34:18,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:34:18,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:34:18,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:34:18,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:34:18,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:34:18,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:34:18,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:34:18,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:34:18,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:34:18,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:34:18,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:34:18,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:34:18,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:34:18,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:34:18,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:34:18,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:34:18,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:34:18,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:34:18,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:34:18,907 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:34:18,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:34:18,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:34:18,908 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_0611ea62-29d5-4fd6-a497-9476814ecb0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2023-12-03 04:34:19,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:34:19,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:34:19,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:34:19,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:34:19,124 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:34:19,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-12-03 04:34:21,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:34:22,029 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:34:22,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-12-03 04:34:22,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/data/b08b0a5a6/5cbea46b85c647ff9c7f5abb38386b4b/FLAG59a9cbc28 [2023-12-03 04:34:22,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/data/b08b0a5a6/5cbea46b85c647ff9c7f5abb38386b4b [2023-12-03 04:34:22,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:34:22,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:34:22,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:34:22,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:34:22,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:34:22,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f84135c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22, skipping insertion in model container [2023-12-03 04:34:22,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:34:22,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:34:22,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:34:22,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:34:22,263 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:34:22,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22 WrapperNode [2023-12-03 04:34:22,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:34:22,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:34:22,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:34:22,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:34:22,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,289 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-12-03 04:34:22,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:34:22,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:34:22,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:34:22,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:34:22,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:34:22,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:34:22,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:34:22,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:34:22,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:34:22,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:34:22,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:34:22,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:34:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-12-03 04:34:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-12-03 04:34:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:34:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:34:22,448 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:34:22,450 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:34:22,627 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:34:22,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:34:22,734 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:34:22,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:34:22 BoogieIcfgContainer [2023-12-03 04:34:22,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:34:22,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:34:22,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:34:22,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:34:22,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:34:22" (1/1) ... [2023-12-03 04:34:22,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:34:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-12-03 04:34:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-12-03 04:34:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:34:22,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:22,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-12-03 04:34:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-12-03 04:34:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:34:22,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:22,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-12-03 04:34:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-12-03 04:34:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:34:23,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-12-03 04:34:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-12-03 04:34:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:34:23,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2023-12-03 04:34:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-12-03 04:34:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:34:23,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 87 transitions. [2023-12-03 04:34:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2023-12-03 04:34:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:34:23,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2023-12-03 04:34:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2023-12-03 04:34:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:34:23,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2023-12-03 04:34:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2023-12-03 04:34:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:23,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-12-03 04:34:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-12-03 04:34:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:23,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2023-12-03 04:34:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-12-03 04:34:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:23,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2023-12-03 04:34:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2023-12-03 04:34:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:23,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2023-12-03 04:34:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2023-12-03 04:34:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:34:24,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 83 states and 136 transitions. [2023-12-03 04:34:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-03 04:34:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:34:24,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 132 transitions. [2023-12-03 04:34:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2023-12-03 04:34:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:34:24,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 134 transitions. [2023-12-03 04:34:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2023-12-03 04:34:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:24,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 136 transitions. [2023-12-03 04:34:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2023-12-03 04:34:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:24,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 150 transitions. [2023-12-03 04:34:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2023-12-03 04:34:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:34:24,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 81 states and 134 transitions. [2023-12-03 04:34:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-12-03 04:34:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:34:24,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 149 transitions. [2023-12-03 04:34:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2023-12-03 04:34:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:24,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 145 transitions. [2023-12-03 04:34:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2023-12-03 04:34:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:24,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 141 transitions. [2023-12-03 04:34:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2023-12-03 04:34:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 143 transitions. [2023-12-03 04:34:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2023-12-03 04:34:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:34:25,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 152 transitions. [2023-12-03 04:34:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2023-12-03 04:34:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 83 states and 140 transitions. [2023-12-03 04:34:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2023-12-03 04:34:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 136 transitions. [2023-12-03 04:34:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-12-03 04:34:25,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 132 transitions. [2023-12-03 04:34:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2023-12-03 04:34:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 134 transitions. [2023-12-03 04:34:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-12-03 04:34:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:25,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 73 states and 118 transitions. [2023-12-03 04:34:25,776 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2023-12-03 04:34:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:25,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:25,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 68 states and 105 transitions. [2023-12-03 04:34:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-12-03 04:34:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:34:26,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:26,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:34:26,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:34:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:34:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:34:26,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:34:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:34:26,102 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2023-12-03 04:34:26,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:34:26 ImpRootNode [2023-12-03 04:34:26,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:34:26,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:34:26,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:34:26,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:34:26,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:34:22" (3/4) ... [2023-12-03 04:34:26,128 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:34:26,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:34:26,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:34:26,167 INFO L158 Benchmark]: Toolchain (without parser) took 4107.94ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 126.9MB in the beginning and 78.6MB in the end (delta: 48.3MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,167 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:34:26,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.83ms. Allocated memory is still 155.2MB. Free memory was 126.9MB in the beginning and 117.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.75ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 115.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,168 INFO L158 Benchmark]: Boogie Preprocessor took 22.58ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:34:26,169 INFO L158 Benchmark]: RCFGBuilder took 422.04ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 94.6MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,169 INFO L158 Benchmark]: CodeCheck took 3389.78ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 80.7MB in the end (delta: 13.4MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,170 INFO L158 Benchmark]: Witness Printer took 39.17ms. Allocated memory is still 186.6MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:34:26,172 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5149 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4438 mSDsluCounter, 9242 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6984 mSDsCounter, 809 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3410 IncrementalHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 809 mSolverCounterUnsat, 2258 mSDtfsCounter, 3410 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4713 GetRequests, 4365 SyntacticMatches, 286 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1643 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 25 PerfectInterpolantSequences, 2/7 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.83ms. Allocated memory is still 155.2MB. Free memory was 126.9MB in the beginning and 117.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.75ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 115.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.58ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.04ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 94.6MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3389.78ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 80.7MB in the end (delta: 13.4MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 39.17ms. Allocated memory is still 186.6MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 04:34:26,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0611ea62-29d5-4fd6-a497-9476814ecb0b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)