./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3 --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 387b23f31d6d0897ac5c9cf97636f8e4c9d1a5fe20740b906ac4716e108638d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:41:28,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:41:28,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:41:28,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:41:28,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:41:28,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:41:28,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:41:28,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:41:28,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:41:28,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:41:28,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:41:28,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:41:28,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:41:28,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:41:28,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:41:28,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:41:28,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:41:28,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:41:28,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:41:28,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:28,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:41:28,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:41:28,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:41:28,359 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:41:28,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:41:28,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3 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 -> 387b23f31d6d0897ac5c9cf97636f8e4c9d1a5fe20740b906ac4716e108638d5 [2024-11-25 02:41:28,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:41:28,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:41:28,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:41:28,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:41:28,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:41:28,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2024-11-25 02:41:31,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/data/3380eb4b3/31ea3d08cdf545429a29ef75a9d49380/FLAGef8a45bd3 [2024-11-25 02:41:31,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:41:31,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2024-11-25 02:41:31,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/data/3380eb4b3/31ea3d08cdf545429a29ef75a9d49380/FLAGef8a45bd3 [2024-11-25 02:41:31,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/data/3380eb4b3/31ea3d08cdf545429a29ef75a9d49380 [2024-11-25 02:41:31,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:41:31,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:41:31,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:31,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:41:31,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:41:31,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:31" (1/1) ... [2024-11-25 02:41:31,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0127e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:31, skipping insertion in model container [2024-11-25 02:41:31,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:31" (1/1) ... [2024-11-25 02:41:31,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:41:32,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:32,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:41:32,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:32,152 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:41:32,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32 WrapperNode [2024-11-25 02:41:32,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:32,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:32,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:41:32,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:41:32,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,193 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-25 02:41:32,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:32,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:41:32,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:41:32,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:41:32,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:41:32,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:41:32,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:41:32,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:41:32,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:41:32,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:41:32,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:41:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:41:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:41:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:41:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:41:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:41:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:41:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:41:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:41:32,387 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:41:32,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:41:32,576 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 02:41:32,576 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:41:32,635 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:41:32,635 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:41:32,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:32 BoogieIcfgContainer [2024-11-25 02:41:32,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:41:32,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:41:32,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:41:32,654 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:41:32,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:32" (1/1) ... [2024-11-25 02:41:32,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:41:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-25 02:41:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-25 02:41:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:41:32,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:32,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 29 transitions. [2024-11-25 02:41:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-25 02:41:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:41:33,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 30 transitions. [2024-11-25 02:41:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-25 02:41:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:41:33,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 31 transitions. [2024-11-25 02:41:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-11-25 02:41:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:41:33,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:41:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 43 transitions. [2024-11-25 02:41:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2024-11-25 02:41:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:41:34,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 56 transitions. [2024-11-25 02:41:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-25 02:41:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:41:34,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:34,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 65 transitions. [2024-11-25 02:41:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-25 02:41:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:41:35,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:41:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 75 transitions. [2024-11-25 02:41:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-25 02:41:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:41:36,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 02:41:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 80 transitions. [2024-11-25 02:41:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2024-11-25 02:41:36,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:41:36,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:36,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:41:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 85 transitions. [2024-11-25 02:41:37,466 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2024-11-25 02:41:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:41:37,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:37,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:41:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 23 states and 25 transitions. [2024-11-25 02:41:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-25 02:41:37,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:41:37,823 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-25 02:41:37,832 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:41:38,020 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-25 02:41:38,020 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-25 02:41:38,020 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 45) the Hoare annotation is: (or (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (and (<= ~counter~0 1) (<= 1 ~counter~0)) (< |ULTIMATE.start_main_~z~0#1| 1) (< 2147483647 |ULTIMATE.start_main_~z~0#1|)) [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 45) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L35-6(lines 35 45) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L35-7(lines 35 45) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point L36(lines 35 45) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-25 02:41:38,021 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (= ~counter~0 0)) [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~z~0#1| 1) (= ~counter~0 0))) [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L49-1(line 49) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L47(line 47) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 12 14) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: true [2024-11-25 02:41:38,022 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2024-11-25 02:41:38,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:41:38 ImpRootNode [2024-11-25 02:41:38,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:41:38,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:41:38,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:41:38,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:41:38,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:32" (3/4) ... [2024-11-25 02:41:38,043 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:41:38,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:41:38,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:41:38,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-25 02:41:38,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:41:38,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:41:38,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:41:38,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:41:38,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:41:38,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:41:38,142 INFO L158 Benchmark]: Toolchain (without parser) took 6241.80ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 90.2MB in the end (delta: 29.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-25 02:41:38,143 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:38,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.34ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:38,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:38,144 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 753.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:38,144 INFO L158 Benchmark]: RCFGBuilder took 406.07ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 94.4MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:41:38,144 INFO L158 Benchmark]: CodeCheck took 5403.02ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 94.5MB in the end (delta: -96.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:38,145 INFO L158 Benchmark]: Witness Printer took 100.33ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 90.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:38,148 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 3 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 685 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1345 IncrementalHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 237 mSolverCounterUnsat, 268 mSDtfsCounter, 1345 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1557 GetRequests, 1426 SyntacticMatches, 29 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4462 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 34/45 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.34ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 753.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.07ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 94.4MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5403.02ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 94.5MB in the end (delta: -96.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.33ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 90.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:41:38,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49b6c96-982d-402f-8c69-ef3ee0deb2ab/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Result: TRUE