./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/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_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/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_8b07721f-0f90-4968-b575-8a359f63446f/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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:50:15,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:50:15,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:50:15,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:50:15,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:50:15,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:50:15,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:50:15,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:50:15,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:50:15,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:50:15,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:50:15,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:50:15,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:50:15,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:50:15,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:50:15,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:50:15,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:50:15,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:50:15,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:50:15,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:50:15,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:50:15,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:50:15,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:50:15,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:50:15,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:50:15,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:50:15,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:50:15,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:50:15,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:15,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:50:15,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:50:15,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:50:15,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:50:15,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:50:15,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:50:15,548 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_8b07721f-0f90-4968-b575-8a359f63446f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2023-12-02 23:50:15,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:50:15,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:50:15,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:50:15,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:50:15,807 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:50:15,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2023-12-02 23:50:18,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:50:18,836 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:50:18,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2023-12-02 23:50:18,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/2fc8c6bd4/df6a8ba3c7074b6fa7c8c2df334c14b5/FLAG5b4f4d777 [2023-12-02 23:50:18,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/2fc8c6bd4/df6a8ba3c7074b6fa7c8c2df334c14b5 [2023-12-02 23:50:18,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:50:18,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:50:18,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:18,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:50:18,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:50:18,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:18" (1/1) ... [2023-12-02 23:50:18,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab1414f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:18, skipping insertion in model container [2023-12-02 23:50:18,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:18" (1/1) ... [2023-12-02 23:50:18,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:50:19,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:19,116 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:50:19,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:19,157 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:50:19,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19 WrapperNode [2023-12-02 23:50:19,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:19,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:19,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:50:19,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:50:19,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,206 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-12-02 23:50:19,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:19,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:50:19,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:50:19,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:50:19,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:50:19,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:50:19,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:50:19,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:50:19,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:19,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:50:19,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:50:19,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:50:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:50:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:50:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:50:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:50:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:50:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:50:19,413 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:50:19,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:50:19,916 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:50:19,963 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:50:19,964 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:50:19,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:50:19 BoogieIcfgContainer [2023-12-02 23:50:19,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:50:19,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:50:19,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:50:19,976 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:50:19,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:50:19" (1/1) ... [2023-12-02 23:50:19,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:50:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2023-12-02 23:50:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2023-12-02 23:50:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:50:20,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-12-02 23:50:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-12-02 23:50:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:50:20,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2023-12-02 23:50:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-12-02 23:50:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:50:20,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-12-02 23:50:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-12-02 23:50:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:50:20,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:50:20,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2023-12-02 23:50:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2023-12-02 23:50:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:50:20,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:50:20,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:50:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:50:20,416 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-02 23:50:20,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:50:20 ImpRootNode [2023-12-02 23:50:20,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:50:20,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:50:20,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:50:20,445 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:50:20,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:50:19" (3/4) ... [2023-12-02 23:50:20,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:50:20,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:50:20,450 INFO L158 Benchmark]: Toolchain (without parser) took 1582.54ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.0MB in the beginning and 76.6MB in the end (delta: 3.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-12-02 23:50:20,451 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:50:20,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.05ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:50:20,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.58ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:50:20,453 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 121.6MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:50:20,454 INFO L158 Benchmark]: RCFGBuilder took 725.60ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 65.5MB in the beginning and 102.0MB in the end (delta: -36.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-02 23:50:20,455 INFO L158 Benchmark]: CodeCheck took 477.15ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 76.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 23:50:20,455 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 146.8MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 157.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:50:20,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 133 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=10) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=10) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, r=1, s=13/4, x=2] [L33] COND TRUE 1 VAL [a=2, r=1, s=13/4, x=2] [L34] EXPR 12*r VAL [a=2, r=1, s=13/4, x=2] [L34] EXPR 12*r*r VAL [a=2, r=1, s=13/4, x=2] [L34] (int)(4*s) - 12*r*r VAL [a=2, r=1, s=13/4, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.05ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.58ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 121.6MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 725.60ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 65.5MB in the beginning and 102.0MB in the end (delta: -36.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 477.15ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 76.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 146.8MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 157.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:50:20,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/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_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:50:22,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:50:22,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:50:22,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:50:22,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:50:22,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:50:22,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:50:22,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:50:22,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:50:22,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:50:22,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:50:22,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:50:22,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:50:22,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:50:22,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:50:22,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:50:22,643 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:50:22,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:50:22,644 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:50:22,645 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:50:22,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:50:22,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:50:22,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:50:22,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:50:22,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:50:22,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:50:22,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:50:22,649 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:22,650 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:50:22,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:50:22,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:22,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:50:22,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:50:22,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:50:22,653 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:50:22,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:22,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:50:22,654 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:50:22,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:50:22,654 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_8b07721f-0f90-4968-b575-8a359f63446f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2023-12-02 23:50:22,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:50:22,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:50:22,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:50:22,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:50:22,994 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:50:22,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2023-12-02 23:50:25,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:50:26,016 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:50:26,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2023-12-02 23:50:26,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/ce398da7d/c154b9bbde35483c9bdc46e081af6cd5/FLAG0aeba87c7 [2023-12-02 23:50:26,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/data/ce398da7d/c154b9bbde35483c9bdc46e081af6cd5 [2023-12-02 23:50:26,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:50:26,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:50:26,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:26,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:50:26,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:50:26,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2c8ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26, skipping insertion in model container [2023-12-02 23:50:26,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:50:26,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:26,316 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:50:26,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:50:26,372 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:50:26,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26 WrapperNode [2023-12-02 23:50:26,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:50:26,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:26,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:50:26,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:50:26,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,431 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-12-02 23:50:26,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:50:26,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:50:26,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:50:26,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:50:26,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:50:26,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:50:26,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:50:26,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:50:26,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:50:26" (1/1) ... [2023-12-02 23:50:26,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:50:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:50:26,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:50:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:50:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:50:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:50:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:50:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:50:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:50:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:50:26,631 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:50:26,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:50:36,334 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 23:50:36,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2023-12-02 23:50:36,337 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:175) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 25 more [2023-12-02 23:50:36,342 INFO L158 Benchmark]: Toolchain (without parser) took 10293.36ms. Allocated memory is still 100.7MB. Free memory was 77.1MB in the beginning and 76.7MB in the end (delta: 404.2kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 23:50:36,342 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:50:36,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.81ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 64.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:50:36,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.29ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 62.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:50:36,344 INFO L158 Benchmark]: Boogie Preprocessor took 45.14ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 60.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:50:36,345 INFO L158 Benchmark]: RCFGBuilder took 9861.94ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 76.7MB in the end (delta: -16.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-02 23:50:36,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.81ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 64.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.29ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 62.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.14ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 60.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9861.94ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 76.7MB in the end (delta: -16.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b07721f-0f90-4968-b575-8a359f63446f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")