./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:43:28,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:43:28,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:43:28,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:43:28,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:43:28,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:43:28,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:43:28,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:43:28,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:43:28,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:43:28,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:43:28,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:43:28,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:43:28,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:43:28,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:43:28,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:43:28,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:43:28,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:43:28,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:43:28,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:43:28,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:43:28,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:43:28,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:43:28,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:43:28,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:43:28,299 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:43:28,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:43:28,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:43:28,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:28,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:43:28,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:43:28,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:43:28,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:43:28,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:43:28,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:43:28,302 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_19b06bb9-56d8-43b8-8e70-54116676e372/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2023-12-02 22:43:28,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:43:28,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:43:28,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:43:28,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:43:28,553 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:43:28,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-12-02 22:43:31,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:43:31,472 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:43:31,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-12-02 22:43:31,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/7c16d2fb1/f50e195da63c471d822ed17996772e91/FLAG2e23b829e [2023-12-02 22:43:31,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/7c16d2fb1/f50e195da63c471d822ed17996772e91 [2023-12-02 22:43:31,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:43:31,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:43:31,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:31,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:43:31,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:43:31,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798b6242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31, skipping insertion in model container [2023-12-02 22:43:31,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:43:31,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:31,722 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:43:31,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:31,763 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:43:31,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31 WrapperNode [2023-12-02 22:43:31,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:31,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:31,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:43:31,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:43:31,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,809 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-12-02 22:43:31,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:31,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:43:31,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:43:31,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:43:31,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:43:31,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:43:31,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:43:31,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:43:31,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:31" (1/1) ... [2023-12-02 22:43:31,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:43:31,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:43:31,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:43:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:43:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:43:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:43:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:43:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:43:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:43:31,968 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:43:31,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:43:32,440 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:43:32,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:43:32,492 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:43:32,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:32 BoogieIcfgContainer [2023-12-02 22:43:32,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:43:32,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:43:32,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:43:32,507 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:43:32,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:32" (1/1) ... [2023-12-02 22:43:32,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:43:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2023-12-02 22:43:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2023-12-02 22:43:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:43:32,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,722 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 22:43:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-12-02 22:43:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-12-02 22:43:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:43:32,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,798 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 22:43:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2023-12-02 22:43:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-12-02 22:43:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:43:32,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,834 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 22:43:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-12-02 22:43:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-12-02 22:43:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:43:32,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:32,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:32,890 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 22:43:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2023-12-02 22:43:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2023-12-02 22:43:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:43:32,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:43:32,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:43:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:43:32,948 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-02 22:43:32,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:43:32 ImpRootNode [2023-12-02 22:43:32,971 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:43:32,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:43:32,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:43:32,972 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:43:32,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:32" (3/4) ... [2023-12-02 22:43:32,974 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:43:32,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:43:32,977 INFO L158 Benchmark]: Toolchain (without parser) took 1473.89ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 91.6MB in the beginning and 123.8MB in the end (delta: -32.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,977 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:43:32,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.74ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 80.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.92ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,979 INFO L158 Benchmark]: Boogie Preprocessor took 27.50ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,980 INFO L158 Benchmark]: RCFGBuilder took 656.28ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 77.0MB in the beginning and 149.0MB in the end (delta: -72.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,981 INFO L158 Benchmark]: CodeCheck took 475.92ms. Allocated memory is still 178.3MB. Free memory was 149.0MB in the beginning and 124.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:43:32,981 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 178.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:43:32,984 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<=20) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=20) [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 0.24ms. Allocated memory is still 102.8MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.74ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 80.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.92ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.50ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.28ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 77.0MB in the beginning and 149.0MB in the end (delta: -72.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 475.92ms. Allocated memory is still 178.3MB. Free memory was 149.0MB in the beginning and 124.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 178.3MB. Free memory is still 123.8MB. 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 22:43:33,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:43:34,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:43:35,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:43:35,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:43:35,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:43:35,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:43:35,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:43:35,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:43:35,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:43:35,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:43:35,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:43:35,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:43:35,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:43:35,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:43:35,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:43:35,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:43:35,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:43:35,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:43:35,078 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:43:35,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:43:35,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:43:35,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:43:35,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:43:35,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:43:35,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:43:35,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:43:35,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:43:35,082 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:35,083 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:43:35,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:43:35,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:35,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:43:35,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:43:35,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:43:35,085 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:43:35,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:35,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:43:35,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:43:35,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:43:35,085 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_19b06bb9-56d8-43b8-8e70-54116676e372/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2023-12-02 22:43:35,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:43:35,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:43:35,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:43:35,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:43:35,394 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:43:35,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-12-02 22:43:38,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:43:38,316 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:43:38,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-12-02 22:43:38,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/dc3fe77c8/9d7999d691334c54ae6b6628e8487af8/FLAG3c913d311 [2023-12-02 22:43:38,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/data/dc3fe77c8/9d7999d691334c54ae6b6628e8487af8 [2023-12-02 22:43:38,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:43:38,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:43:38,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:38,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:43:38,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:43:38,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bd9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38, skipping insertion in model container [2023-12-02 22:43:38,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:43:38,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:38,567 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:43:38,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:38,612 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:43:38,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38 WrapperNode [2023-12-02 22:43:38,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:38,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:38,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:43:38,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:43:38,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,660 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-12-02 22:43:38,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:38,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:43:38,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:43:38,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:43:38,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:43:38,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:43:38,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:43:38,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:43:38,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:38" (1/1) ... [2023-12-02 22:43:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:38,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:43:38,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:43:38,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:43:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:43:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:43:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:43:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:43:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:43:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:43:38,880 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:43:38,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:43:48,578 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/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 22:43:48,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b06bb9-56d8-43b8-8e70-54116676e372/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 22:43:48,581 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_19b06bb9-56d8-43b8-8e70-54116676e372/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 22:43:48,585 INFO L158 Benchmark]: Toolchain (without parser) took 10245.87ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 44.6MB in the end (delta: 5.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:43:48,586 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:43:48,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.38ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 37.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:43:48,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.51ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:48,588 INFO L158 Benchmark]: Boogie Preprocessor took 39.11ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:48,588 INFO L158 Benchmark]: RCFGBuilder took 9882.48ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 44.6MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:43:48,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.38ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 37.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.51ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.11ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9882.48ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 44.6MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. 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_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/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_19b06bb9-56d8-43b8-8e70-54116676e372/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")