./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b --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 eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:13,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:13,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:17:13,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:17:13,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:17:13,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:13,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:13,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:13,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:13,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:13,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:13,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:13,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:13,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:13,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:13,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:13,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:13,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:13,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:13,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:13,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:13,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:13,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:17:13,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:17:13,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b 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 -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2024-12-05 22:17:13,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:13,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:13,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:13,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:13,607 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:13,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2024-12-05 22:17:16,240 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/data/eb4436fd4/e4ae7c47abde437c82a2e82741e1ea81/FLAGefe9440a1 [2024-12-05 22:17:16,520 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:16,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2024-12-05 22:17:16,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/data/eb4436fd4/e4ae7c47abde437c82a2e82741e1ea81/FLAGefe9440a1 [2024-12-05 22:17:16,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/data/eb4436fd4/e4ae7c47abde437c82a2e82741e1ea81 [2024-12-05 22:17:16,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:16,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:16,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:16,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:16,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:16,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:16" (1/1) ... [2024-12-05 22:17:16,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbeeb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:16, skipping insertion in model container [2024-12-05 22:17:16,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:16" (1/1) ... [2024-12-05 22:17:16,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:17,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:17,119 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:17,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:17,174 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:17,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17 WrapperNode [2024-12-05 22:17:17,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:17,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:17,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:17,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:17,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,208 INFO L138 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-12-05 22:17:17,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:17,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:17,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:17,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:17,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:17,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:17,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:17,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:17,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:17,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:17,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:17:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:17:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:17:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:17:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:17,372 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:17,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:17,490 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:17,490 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:17,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:17,535 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:17:17,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:17 BoogieIcfgContainer [2024-12-05 22:17:17,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:17,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:17,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:17,546 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:17,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:17" (1/1) ... [2024-12-05 22:17:17,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-05 22:17:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-05 22:17:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:17:17,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:17,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-12-05 22:17:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-12-05 22:17:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:17:17,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-12-05 22:17:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-12-05 22:17:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:17:17,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:17,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-12-05 22:17:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-05 22:17:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:17:18,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-12-05 22:17:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-12-05 22:17:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:18,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-12-05 22:17:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-05 22:17:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:18,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2024-12-05 22:17:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-12-05 22:17:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:18,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2024-12-05 22:17:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-12-05 22:17:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:17:18,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2024-12-05 22:17:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-12-05 22:17:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:17:18,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2024-12-05 22:17:19,270 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-12-05 22:17:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:17:19,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:19,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2024-12-05 22:17:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-12-05 22:17:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:17:19,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:19,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2024-12-05 22:17:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-12-05 22:17:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:17:19,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2024-12-05 22:17:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-12-05 22:17:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:17:19,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:19,967 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:20,007 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:20,028 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-12-05 22:17:20,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:17:20 ImpRootNode [2024-12-05 22:17:20,050 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:17:20,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:17:20,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:17:20,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:17:20,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:17" (3/4) ... [2024-12-05 22:17:20,052 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:17:20,084 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:17:20,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:17:20,120 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:17:20,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:17:20,120 INFO L158 Benchmark]: Toolchain (without parser) took 3287.16ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 94.0MB in the end (delta: 22.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-05 22:17:20,121 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:20,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.08ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:20,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.13ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:20,122 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 959.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:20,122 INFO L158 Benchmark]: RCFGBuilder took 304.97ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 82.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:20,122 INFO L158 Benchmark]: CodeCheck took 2513.93ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 99.1MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:20,123 INFO L158 Benchmark]: Witness Printer took 69.14ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 94.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:20,124 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 327 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 327 mSolverCounterUnsat, 52 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 641 SyntacticMatches, 11 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 2/21 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 522]: integer overflow possible integer overflow possible We found a FailurePath: [L528] int array_size = __VERIFIER_nondet_int(); [L529] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L530] array_size = 1 [L532] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L534] int i = 0; VAL [array_size=1, i=0, numbers={13328:0}] [L534] COND TRUE i < array_size [L536] numbers[i] = __VERIFIER_nondet_int() [L534] i++ VAL [array_size=1, i=1, numbers={13328:0}] [L534] COND FALSE !(i < array_size) [L539] CALL sumOfThirdBytes(numbers, array_size) [L514] int i, sum; [L515] char* p; [L516] sum = 0 [L517] i = 0 VAL [array_size=1, i=0, numbers={13328:0}, sum=0] [L517] COND TRUE i < array_size [L518] p = &(numbers[i]) [L519] p = p + 2 VAL [array_size=1, i=0, numbers={13328:0}, p={13328:2}, sum=0] [L520] EXPR \read(*p) VAL [array_size=1, i=0, numbers={13328:0}, p={13328:2}, sum=0] [L520] COND TRUE *p > 0 [L521] sum++ [L522] EXPR \read(*p) [L522] (*p)-- VAL [array_size=1, i=0, numbers={13328:0}, p={13328:2}, sum=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.08ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.13ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 959.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.97ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 82.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2513.93ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 99.1MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.14ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 94.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:17:20,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa61391-151e-4fd6-b7ee-a62647209c03/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)