./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/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_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:25:39,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:25:39,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:25:39,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:25:39,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:25:39,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:25:39,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:25:39,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:25:39,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:25:39,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:25:39,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:25:39,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:25:39,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:25:39,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:25:39,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:25:39,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:25:39,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:25:39,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:25:39,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:25:39,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:25:39,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:25:39,768 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:25:39,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:25:39,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:25:39,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:25:39,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:25:39,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:25:39,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:25:39,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:25:39,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:25:39,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:25:39,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:25:39,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:25:39,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:25:39,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:25:39,774 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_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 [2023-12-03 00:25:39,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:25:40,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:25:40,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:25:40,016 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:25:40,017 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:25:40,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2023-12-03 00:25:42,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:25:42,956 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:25:42,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2023-12-03 00:25:42,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/data/33bda99ff/79d829dbbf944c6eabefa27035b0b6dd/FLAGd20ee2216 [2023-12-03 00:25:42,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/data/33bda99ff/79d829dbbf944c6eabefa27035b0b6dd [2023-12-03 00:25:42,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:25:42,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:25:42,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:25:42,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:25:42,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:25:42,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:25:42" (1/1) ... [2023-12-03 00:25:42,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c159c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:42, skipping insertion in model container [2023-12-03 00:25:42,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:25:42" (1/1) ... [2023-12-03 00:25:43,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:25:43,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:25:43,312 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:25:43,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:25:43,375 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:25:43,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43 WrapperNode [2023-12-03 00:25:43,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:25:43,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:25:43,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:25:43,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:25:43,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,413 INFO L138 Inliner]: procedures = 116, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-12-03 00:25:43,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:25:43,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:25:43,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:25:43,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:25:43,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:25:43,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:25:43,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:25:43,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:25:43,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:25:43,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:25:43,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:25:43,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:25:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:25:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:25:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:25:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:25:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:25:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:25:43,624 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:25:43,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:25:43,740 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:25:43,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:25:43,798 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:25:43,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:25:43 BoogieIcfgContainer [2023-12-03 00:25:43,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:25:43,801 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:25:43,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:25:43,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:25:43,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:25:43" (1/1) ... [2023-12-03 00:25:43,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:25:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-12-03 00:25:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-03 00:25:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:25:43,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,118 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 00:25:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 00:25:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 00:25:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:25:44,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:44,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,304 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 00:25:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-03 00:25:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-03 00:25:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:25:44,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,400 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 00:25:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 00:25:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 00:25:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:25:44,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:44,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 00:25:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 00:25:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:25:44,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:44,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:25:44,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:25:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:25:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:25:44,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:25:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:25:44,754 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-03 00:25:44,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-12-03 00:25:44,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-12-03 00:25:44,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-12-03 00:25:44,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-12-03 00:25:44,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-12-03 00:25:44,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:25:44 ImpRootNode [2023-12-03 00:25:44,785 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:25:44,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:25:44,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:25:44,786 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:25:44,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:25:43" (3/4) ... [2023-12-03 00:25:44,788 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 00:25:44,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-12-03 00:25:44,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-12-03 00:25:44,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-12-03 00:25:44,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-12-03 00:25:44,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-12-03 00:25:44,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:25:44,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:25:44,826 INFO L158 Benchmark]: Toolchain (without parser) took 1835.53ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 100.1MB in the end (delta: -3.0MB). Peak memory consumption was 50.2kB. Max. memory is 16.1GB. [2023-12-03 00:25:44,826 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:25:44,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.27ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 80.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:25:44,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.11ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:25:44,828 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 138.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:25:44,829 INFO L158 Benchmark]: RCFGBuilder took 361.33ms. Allocated memory is still 138.4MB. Free memory was 77.5MB in the beginning and 100.3MB in the end (delta: -22.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-03 00:25:44,829 INFO L158 Benchmark]: CodeCheck took 984.24ms. Allocated memory is still 138.4MB. Free memory was 100.3MB in the beginning and 102.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:25:44,830 INFO L158 Benchmark]: Witness Printer took 39.55ms. Allocated memory is still 138.4MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:25:44,832 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, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 6 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 0/2 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: 520]: integer overflow possible integer overflow possible We found a FailurePath: [L525] int array_size = __VERIFIER_nondet_int(); [L526] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L529] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L531] int i = 0; VAL [array_size=1, i=0, numbers={12214:0}] [L531] COND TRUE i < array_size [L533] numbers[i] = __VERIFIER_nondet_int() [L531] i++ VAL [array_size=1, i=1, numbers={12214:0}] [L531] COND FALSE !(i < array_size) [L535] CALL sumOfThirdBytes(numbers, array_size) [L514] int i, sum; [L515] char* p; [L516] sum = 0 [L517] i = 0 VAL [\old(array_size)=1, array_size=1, i=0, numbers={12214:0}, numbers={12214:0}, sum=0] [L517] COND TRUE i < array_size [L518] p = &(numbers[i]) [L519] p = p + 2 [L520] EXPR \read(*p) VAL [\old(array_size)=1, array_size=1, i=0, numbers={12214:0}, numbers={12214:0}, p={12214:2}, sum=0] [L520] sum + *p VAL [\old(array_size)=1, array_size=1, i=0, numbers={12214:0}, numbers={12214:0}, p={12214:2}, sum=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.27ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 80.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.11ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 138.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.33ms. Allocated memory is still 138.4MB. Free memory was 77.5MB in the beginning and 100.3MB in the end (delta: -22.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * CodeCheck took 984.24ms. Allocated memory is still 138.4MB. Free memory was 100.3MB in the beginning and 102.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.55ms. Allocated memory is still 138.4MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 00:25:44,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0f0278-35be-4359-9d1d-b8e9f4a0057b/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)