./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2 --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 f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:38,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:39,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:39,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:39,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:39,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:39,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:39,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:39,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:39,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:39,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:39,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:39,071 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:39,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:39,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:39,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:39,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:39,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:39,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:39,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:39,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:39,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:39,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:39,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:39,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:39,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:39,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:39,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:39,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:39,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:39,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:39,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:39,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:39,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:39,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:39,082 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_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 [2023-11-21 18:49:39,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:39,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:39,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:39,371 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:39,372 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:39,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2023-11-21 18:49:42,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:42,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:42,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2023-11-21 18:49:42,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/data/a2c279f8d/ae2d49e5f9ac4eda9ac54866d0bbc5bb/FLAGe9350f4b4 [2023-11-21 18:49:42,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/data/a2c279f8d/ae2d49e5f9ac4eda9ac54866d0bbc5bb [2023-11-21 18:49:42,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:42,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:42,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:42,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:42,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:42,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:42" (1/1) ... [2023-11-21 18:49:42,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5017bd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:42, skipping insertion in model container [2023-11-21 18:49:42,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:42" (1/1) ... [2023-11-21 18:49:42,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:42,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:42,985 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:43,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:43,026 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:43,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43 WrapperNode [2023-11-21 18:49:43,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:43,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:43,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:43,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:43,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,066 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2023-11-21 18:49:43,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:43,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:43,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:43,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:43,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:43,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:43,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:43,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:43,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:43,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:43,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:43,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:43,335 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:43,338 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:43,487 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:43,526 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:43,526 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:49:43,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43 BoogieIcfgContainer [2023-11-21 18:49:43,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:43,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:43,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:43,539 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:43,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-21 18:49:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-21 18:49:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:43,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-11-21 18:49:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-11-21 18:49:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:43,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-21 18:49:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-21 18:49:44,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:44,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-21 18:49:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-21 18:49:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:44,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-21 18:49:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-21 18:49:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:44,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:49:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-21 18:49:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-21 18:49:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:44,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:49:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-11-21 18:49:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-11-21 18:49:45,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:49:45,237 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-21 18:49:45,248 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-21 18:49:45,407 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-21 18:49:45,417 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,417 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-21 18:49:45,418 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,418 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,418 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:49:45 ImpRootNode [2023-11-21 18:49:45,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:49:45,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:49:45,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:49:45,420 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:49:45,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43" (3/4) ... [2023-11-21 18:49:45,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:49:45,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 18:49:45,432 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:49:45,432 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:49:45,433 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:49:45,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:49:45,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:49:45,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:49:45,539 INFO L158 Benchmark]: Toolchain (without parser) took 2789.28ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 83.5MB in the end (delta: 21.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,539 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:45,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.14ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,540 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:45,541 INFO L158 Benchmark]: RCFGBuilder took 434.16ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 77.3MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,541 INFO L158 Benchmark]: CodeCheck took 1890.24ms. Allocated memory is still 148.9MB. Free memory was 76.9MB in the beginning and 88.7MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:45,542 INFO L158 Benchmark]: Witness Printer took 118.45ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 83.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 96 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/27 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: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (0 <= (main__i + 2147483648)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((0 <= (main__i + 2147483648)) && (main__i < 2)) || (main____CPAchecker_TMP_0 == 0)) || ((2 <= main__i) && (main__i <= 100000))) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.14ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.69ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.16ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 77.3MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1890.24ms. Allocated memory is still 148.9MB. Free memory was 76.9MB in the beginning and 88.7MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 118.45ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 83.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:49:45,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b642f5d-0af8-4de4-bde0-cbeeec69a26e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE