./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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 c8425a5d05ac446a6871721d80167c62d0d4f36c759d59becfd4b9bf0feba487 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:04,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:04,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:33:04,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:33:04,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:33:04,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:04,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:04,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:04,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:04,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:04,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:04,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:04,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:04,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:33:04,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:04,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:04,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:04,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:04,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:04,538 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:33:04,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:33:04,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:04,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:04,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:04,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:04,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:04,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:04,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:04,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:04,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:04,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:04,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:04,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:33:04,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:33:04,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:04,544 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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8425a5d05ac446a6871721d80167c62d0d4f36c759d59becfd4b9bf0feba487 [2023-12-03 01:33:04,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:04,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:04,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:04,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:04,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:04,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c [2023-12-03 01:33:07,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:07,611 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:07,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c [2023-12-03 01:33:07,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/6a43cee10/20d3e8bbff9c4f839f6d695775e580e4/FLAGb4e9202ff [2023-12-03 01:33:07,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/6a43cee10/20d3e8bbff9c4f839f6d695775e580e4 [2023-12-03 01:33:07,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:07,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:07,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:07,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:07,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:07,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f0a236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07, skipping insertion in model container [2023-12-03 01:33:07,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:07,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:07,840 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:07,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:07,878 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:07,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07 WrapperNode [2023-12-03 01:33:07,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:07,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:07,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:07,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:07,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,918 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-12-03 01:33:07,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:07,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:07,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:07,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:07,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:07,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:07,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:07,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:07,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:07,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:07,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:33:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:33:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:33:08,074 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:08,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:08,507 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:08,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:08,545 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:33:08,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08 BoogieIcfgContainer [2023-12-03 01:33:08,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:08,548 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:08,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:08,557 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:08,558 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08" (1/1) ... [2023-12-03 01:33:08,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2023-12-03 01:33:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2023-12-03 01:33:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:33:08,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-12-03 01:33:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-12-03 01:33:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:33:08,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:08,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-12-03 01:33:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-12-03 01:33:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:33:08,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 146 states and 156 transitions. [2023-12-03 01:33:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2023-12-03 01:33:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:33:09,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-12-03 01:33:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-12-03 01:33:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:33:09,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 148 states and 158 transitions. [2023-12-03 01:33:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2023-12-03 01:33:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:33:09,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-12-03 01:33:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-12-03 01:33:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:33:09,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:09,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:33:09,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 149 states and 159 transitions. [2023-12-03 01:33:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 159 transitions. [2023-12-03 01:33:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:33:09,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:09,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:09,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:09,320 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-12-03 01:33:09,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated [2023-12-03 01:33:09,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:33:09 ImpRootNode [2023-12-03 01:33:09,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:33:09,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:33:09,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:33:09,343 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:33:09,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08" (3/4) ... [2023-12-03 01:33:09,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:33:09,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:33:09,347 INFO L158 Benchmark]: Toolchain (without parser) took 1712.03ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 85.7MB in the beginning and 77.8MB in the end (delta: 7.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,347 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:09,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.05ms. Allocated memory is still 125.8MB. Free memory was 85.7MB in the beginning and 74.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.23ms. Allocated memory is still 125.8MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,349 INFO L158 Benchmark]: Boogie Preprocessor took 25.71ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,350 INFO L158 Benchmark]: RCFGBuilder took 600.76ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 124.7MB in the end (delta: -53.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,351 INFO L158 Benchmark]: CodeCheck took 794.70ms. Allocated memory is still 153.1MB. Free memory was 124.7MB in the beginning and 78.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,351 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 153.1MB. Free memory was 78.6MB in the beginning and 77.8MB in the end (delta: 803.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:09,355 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, 138 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 34 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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. Possible FailurePath: [L24] int counter = 0; [L26] int r; [L27] double a, x, s; [L28] a = __VERIFIER_nondet_double() [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, counter=0, r=1, s=13/4, x=2] [L33] EXPR counter++ VAL [a=2, counter=1, r=1, s=13/4, x=2] [L33] COND TRUE counter++<20 [L34] EXPR 12*r VAL [a=2, counter=1, r=1, s=13/4, x=2] [L34] EXPR 12*r*r VAL [a=2, counter=1, r=1, s=13/4, x=2] [L34] (int)(4*s) - 12*r*r VAL [a=2, counter=1, r=1, s=13/4, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.05ms. Allocated memory is still 125.8MB. Free memory was 85.7MB in the beginning and 74.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.23ms. Allocated memory is still 125.8MB. Free memory was 74.4MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.71ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.76ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 124.7MB in the end (delta: -53.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * CodeCheck took 794.70ms. Allocated memory is still 153.1MB. Free memory was 124.7MB in the beginning and 78.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 153.1MB. Free memory was 78.6MB in the beginning and 77.8MB in the end (delta: 803.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:33:09,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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 c8425a5d05ac446a6871721d80167c62d0d4f36c759d59becfd4b9bf0feba487 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:11,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:11,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:33:11,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:11,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:11,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:11,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:11,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:11,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:11,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:11,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:11,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:11,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:11,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:11,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:11,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:11,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:33:11,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:33:11,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:33:11,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:33:11,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:33:11,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:11,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:11,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:11,418 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:11,419 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:11,419 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:11,420 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:11,420 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:11,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:11,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:11,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:11,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:11,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:11,423 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:33:11,423 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:11,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:11,423 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:33:11,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:11,424 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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8425a5d05ac446a6871721d80167c62d0d4f36c759d59becfd4b9bf0feba487 [2023-12-03 01:33:11,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:11,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:11,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:11,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:11,729 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:11,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c [2023-12-03 01:33:14,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:14,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:14,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound20.c [2023-12-03 01:33:14,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/7390d4513/4b2964a2dc334af18314d67ef3ae63e0/FLAG029377757 [2023-12-03 01:33:14,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/data/7390d4513/4b2964a2dc334af18314d67ef3ae63e0 [2023-12-03 01:33:14,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:14,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:14,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:14,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:14,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:14,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d9c21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14, skipping insertion in model container [2023-12-03 01:33:14,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:14,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:14,830 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:14,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:14,871 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:14,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14 WrapperNode [2023-12-03 01:33:14,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:14,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:14,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:14,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:14,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,917 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-12-03 01:33:14,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:14,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:14,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:14,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:14,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:14,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:14,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:14,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:14,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:14,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:14,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:15,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:33:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:33:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:33:15,125 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:15,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:22,612 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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") [2023-12-03 01:33:22,614 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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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 [2023-12-03 01:33:22,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd94ae8-2504-40ac-a52f-4dff706dd45c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2023-12-03 01:33:22,619 INFO L158 Benchmark]: Toolchain (without parser) took 7979.88ms. Allocated memory is still 100.7MB. Free memory was 77.1MB in the beginning and 76.8MB in the end (delta: 239.7kB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-12-03 01:33:22,619 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:22,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.82ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 64.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:33:22,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.16ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 62.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:22,621 INFO L158 Benchmark]: Boogie Preprocessor took 39.00ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:22,622 INFO L158 Benchmark]: RCFGBuilder took 7658.65ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 76.8MB in the end (delta: -16.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-03 01:33:22,624 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 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.82ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 64.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.16ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 62.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.00ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7658.65ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 76.8MB in the end (delta: -16.5MB). Peak memory consumption was 11.0MB. 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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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_ecd94ae8-2504-40ac-a52f-4dff706dd45c/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")