./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC --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 f4dc35f578dc1494a61593c536b677f3beb3e4db21638b64de73547c5a37e2be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:07,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:07,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:07,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:07,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:07,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:07,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:07,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:07,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:07,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:07,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:07,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:07,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:07,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:07,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:07,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:07,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:07,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:07,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:07,729 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:07,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:07,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:07,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:07,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:07,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:07,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:07,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:07,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:07,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:07,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:07,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:07,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:07,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:07,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:07,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:07,737 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_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4dc35f578dc1494a61593c536b677f3beb3e4db21638b64de73547c5a37e2be [2023-11-23 20:25:08,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:08,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:08,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:08,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:08,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:08,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c [2023-11-23 20:25:11,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:11,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:11,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c [2023-11-23 20:25:11,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/762bb6698/0aa1fa0b66b04131a2cbf49b55d342db/FLAGd8498c4fe [2023-11-23 20:25:11,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/762bb6698/0aa1fa0b66b04131a2cbf49b55d342db [2023-11-23 20:25:11,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:11,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:11,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:11,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:11,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:11,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:11" (1/1) ... [2023-11-23 20:25:11,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2756931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:11, skipping insertion in model container [2023-11-23 20:25:11,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:11" (1/1) ... [2023-11-23 20:25:11,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:12,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:12,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:12,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:12,228 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:12,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12 WrapperNode [2023-11-23 20:25:12,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:12,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:12,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:12,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:12,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,290 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-23 20:25:12,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:12,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:12,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:12,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:12,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:12,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:12,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:12,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:12,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:12" (1/1) ... [2023-11-23 20:25:12,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:12,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:12,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:12,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:12,557 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:12,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:13,210 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:13,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:13,251 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:25:13,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:13 BoogieIcfgContainer [2023-11-23 20:25:13,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:13,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:13,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:13,297 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:13,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:13" (1/1) ... [2023-11-23 20:25:13,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2023-11-23 20:25:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2023-11-23 20:25:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:25:13,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-23 20:25:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-23 20:25:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:25:13,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:13,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-11-23 20:25:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-11-23 20:25:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:13,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 146 states and 156 transitions. [2023-11-23 20:25:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2023-11-23 20:25:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:14,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-11-23 20:25:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-23 20:25:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:14,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 148 states and 158 transitions. [2023-11-23 20:25:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2023-11-23 20:25:14,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:25:14,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-11-23 20:25:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-23 20:25:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:25:14,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:14,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:14,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 149 states and 159 transitions. [2023-11-23 20:25:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 159 transitions. [2023-11-23 20:25:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:25:14,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:25:14,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:25:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:25:14,458 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-11-23 20:25:14,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated [2023-11-23 20:25:14,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:25:14 ImpRootNode [2023-11-23 20:25:14,491 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:25:14,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:25:14,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:25:14,492 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:25:14,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:13" (3/4) ... [2023-11-23 20:25:14,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:25:14,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:25:14,499 INFO L158 Benchmark]: Toolchain (without parser) took 2640.64ms. Allocated memory is still 190.8MB. Free memory was 144.1MB in the beginning and 113.6MB in the end (delta: 30.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:14,500 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:14,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.78ms. Allocated memory is still 190.8MB. Free memory was 143.8MB in the beginning and 132.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:14,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 190.8MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:14,503 INFO L158 Benchmark]: Boogie Preprocessor took 47.15ms. Allocated memory is still 190.8MB. Free memory was 130.8MB in the beginning and 129.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:14,504 INFO L158 Benchmark]: RCFGBuilder took 914.66ms. Allocated memory is still 190.8MB. Free memory was 129.5MB in the beginning and 107.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:25:14,504 INFO L158 Benchmark]: CodeCheck took 1235.56ms. Allocated memory is still 190.8MB. Free memory was 107.7MB in the beginning and 113.6MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:14,505 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 190.8MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:14,518 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: 1.1s, 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, 0.5s 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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++<5 [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 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.78ms. Allocated memory is still 190.8MB. Free memory was 143.8MB in the beginning and 132.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 190.8MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.15ms. Allocated memory is still 190.8MB. Free memory was 130.8MB in the beginning and 129.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 914.66ms. Allocated memory is still 190.8MB. Free memory was 129.5MB in the beginning and 107.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1235.56ms. Allocated memory is still 190.8MB. Free memory was 107.7MB in the beginning and 113.6MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 190.8MB. Free memory is still 113.6MB. 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 [2023-11-23 20:25:14,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC --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 f4dc35f578dc1494a61593c536b677f3beb3e4db21638b64de73547c5a37e2be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:17,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:17,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:25:17,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:17,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:17,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:17,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:17,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:17,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:17,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:17,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:17,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:17,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:17,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:17,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:17,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:17,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:25:17,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:25:17,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:17,482 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:25:17,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:17,483 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:17,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:17,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:17,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:17,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:17,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:17,487 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:17,487 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:17,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:17,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:17,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:17,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:17,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:17,492 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:25:17,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:17,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:17,493 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:25:17,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:17,495 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_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4dc35f578dc1494a61593c536b677f3beb3e4db21638b64de73547c5a37e2be [2023-11-23 20:25:17,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:18,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:18,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:18,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:18,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:18,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c [2023-11-23 20:25:21,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:22,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:22,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound5.c [2023-11-23 20:25:22,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/637379889/c2f6a119828a47fa81945ba344ebbda1/FLAGdda742114 [2023-11-23 20:25:22,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/data/637379889/c2f6a119828a47fa81945ba344ebbda1 [2023-11-23 20:25:22,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:22,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:22,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:22,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:22,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:22,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d5fa09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22, skipping insertion in model container [2023-11-23 20:25:22,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:22,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:22,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:22,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:22,609 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:22,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22 WrapperNode [2023-11-23 20:25:22,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:22,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:22,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:22,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:22,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,708 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-23 20:25:22,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:22,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:22,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:22,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:22,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:22,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:22,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:22,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:22,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:22,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:22,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07727e4-4207-4ac4-b59e-bdfd9c2fb6b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:25:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:23,005 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:23,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation