./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/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_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:00,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:00,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:22:00,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:22:00,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:22:00,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:00,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:00,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:00,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:00,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:00,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:00,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:00,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:22:00,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:22:00,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:00,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:00,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:00,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:00,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:00,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:00,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:00,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:00,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:00,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:00,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:00,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:22:00,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:22:00,958 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_81d61a9e-793a-40a0-ac2b-6029fdb06b81/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 ! call(reach_error())) ) 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 -> 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 [2024-11-25 05:22:01,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:01,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:01,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:01,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:01,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:01,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-11-25 05:22:05,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/data/cffd54175/b22ab77a88a04185947bf814e1c04183/FLAGe0f72cc68 [2024-11-25 05:22:05,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:05,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-11-25 05:22:05,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/data/cffd54175/b22ab77a88a04185947bf814e1c04183/FLAGe0f72cc68 [2024-11-25 05:22:05,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/data/cffd54175/b22ab77a88a04185947bf814e1c04183 [2024-11-25 05:22:05,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:05,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:05,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:05,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:05,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:05,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:05" (1/1) ... [2024-11-25 05:22:05,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4f361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:05, skipping insertion in model container [2024-11-25 05:22:05,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:05" (1/1) ... [2024-11-25 05:22:05,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:06,021 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-11-25 05:22:06,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:06,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:06,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-11-25 05:22:06,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:06,115 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:06,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06 WrapperNode [2024-11-25 05:22:06,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:06,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:06,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:06,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:06,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,161 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-25 05:22:06,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:06,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:06,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:06,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:06,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:06,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:06,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:06,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:06,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:06,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:06,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:06,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:22:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:22:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:22:06,373 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:06,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:06,569 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:06,569 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:22:06,591 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:22:06,591 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:22:06,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:06 BoogieIcfgContainer [2024-11-25 05:22:06,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:22:06,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:22:06,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:22:06,604 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:22:06,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:06" (1/1) ... [2024-11-25 05:22:06,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:22:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 05:22:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 05:22:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:22:06,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:06,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 05:22:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 05:22:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:22:06,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:22:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:06,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:06,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 05:22:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 05:22:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:22:07,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:07,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 05:22:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 05:22:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:22:07,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 05:22:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 05:22:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:22:08,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:08,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:22:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:08,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 05:22:08,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 05:22:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 05:22:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:09,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:09,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:22:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:14,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:14,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:22:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:14,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:22:14,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:22:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-25 05:22:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 05:22:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 05:22:18,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:18,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 05:22:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 20 states and 27 transitions. [2024-11-25 05:22:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 05:22:20,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:22:20,526 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 05:22:20,546 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:22:21,247 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:22:21,247 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-11-25 05:22:21,247 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:22:21,248 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 43) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1) (= |ULTIMATE.start_main_~y~0#1| 1))) [2024-11-25 05:22:21,248 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 43) the Hoare annotation is: true [2024-11-25 05:22:21,248 INFO L77 FloydHoareUtils]: At program point L34-4(lines 34 43) the Hoare annotation is: true [2024-11-25 05:22:21,248 INFO L77 FloydHoareUtils]: At program point L34-5(lines 34 43) the Hoare annotation is: true [2024-11-25 05:22:21,249 INFO L77 FloydHoareUtils]: At program point L35(lines 34 43) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1 (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) [2024-11-25 05:22:21,249 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-25 05:22:21,249 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-25 05:22:21,249 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 05:22:21,249 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 05:22:21,250 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-25 05:22:21,250 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-25 05:22:21,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:22:21 ImpRootNode [2024-11-25 05:22:21,271 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:22:21,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:22:21,272 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:22:21,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:22:21,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:06" (3/4) ... [2024-11-25 05:22:21,277 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:22:21,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 05:22:21,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 05:22:21,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:22:21,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:22:21,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:22:21,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:22:21,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:22:21,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:22:21,391 INFO L158 Benchmark]: Toolchain (without parser) took 15643.31ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 104.8MB in the beginning and 201.5MB in the end (delta: -96.7MB). Peak memory consumption was 184.4MB. Max. memory is 16.1GB. [2024-11-25 05:22:21,391 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 104.8MB in the end (delta: 671.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:21,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.14ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:22:21,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:21,393 INFO L158 Benchmark]: Boogie Preprocessor took 38.68ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.8MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:21,393 INFO L158 Benchmark]: RCFGBuilder took 389.65ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:22:21,394 INFO L158 Benchmark]: CodeCheck took 14678.30ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.6MB in the beginning and 206.2MB in the end (delta: -125.5MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2024-11-25 05:22:21,394 INFO L158 Benchmark]: Witness Printer took 117.20ms. Allocated memory is still 427.8MB. Free memory was 206.2MB in the beginning and 201.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:21,396 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 615 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 241 mSolverCounterUnsat, 178 mSDtfsCounter, 615 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1079 GetRequests, 942 SyntacticMatches, 31 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4370 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 3 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 81/109 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: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 104.8MB in the end (delta: 671.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.14ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.68ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.8MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.65ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14678.30ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.6MB in the beginning and 206.2MB in the end (delta: -125.5MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. * Witness Printer took 117.20ms. Allocated memory is still 427.8MB. Free memory was 206.2MB in the beginning and 201.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:22:21,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81d61a9e-793a-40a0-ac2b-6029fdb06b81/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