./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-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_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/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_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/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_89296562-40a6-4f74-b608-8190f9d19d94/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 d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:24,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:24,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:12:24,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:12:24,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:12:24,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:24,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:24,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:24,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:24,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:24,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:24,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:24,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:12:24,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:12:24,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:24,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:24,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:24,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:24,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:12:24,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:12:24,803 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_89296562-40a6-4f74-b608-8190f9d19d94/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 -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2024-11-25 04:12:25,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:25,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:25,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:25,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:25,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:25,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-11-25 04:12:28,351 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/data/d95725ad7/5c4fbe5ef0d04945bf005e51e80ced0a/FLAG1c42d4784 [2024-11-25 04:12:28,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:28,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-11-25 04:12:28,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/data/d95725ad7/5c4fbe5ef0d04945bf005e51e80ced0a/FLAG1c42d4784 [2024-11-25 04:12:28,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/data/d95725ad7/5c4fbe5ef0d04945bf005e51e80ced0a [2024-11-25 04:12:28,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:28,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:28,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:28,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:28,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:28,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:28" (1/1) ... [2024-11-25 04:12:28,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f79beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:28, skipping insertion in model container [2024-11-25 04:12:28,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:28" (1/1) ... [2024-11-25 04:12:28,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:28,940 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_89296562-40a6-4f74-b608-8190f9d19d94/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2024-11-25 04:12:28,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:28,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:28,984 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_89296562-40a6-4f74-b608-8190f9d19d94/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2024-11-25 04:12:28,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:29,003 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:29,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29 WrapperNode [2024-11-25 04:12:29,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:29,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:29,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:29,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:29,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,036 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-25 04:12:29,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:29,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:29,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:29,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:29,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:29,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:29,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:29,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:29,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:29,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:12:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:12:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:12:29,194 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:29,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:29,342 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:29,342 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:29,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:29,370 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:12:29,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29 BoogieIcfgContainer [2024-11-25 04:12:29,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:29,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:29,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:29,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:29,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-25 04:12:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-25 04:12:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:12:29,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:29,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:29,577 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 04:12:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 04:12:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 04:12:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:12:29,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:29,923 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 04:12:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 35 transitions. [2024-11-25 04:12:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-25 04:12:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:12:30,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:30,164 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 04:12:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2024-11-25 04:12:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-25 04:12:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:12:30,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:30,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:30,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:12:30,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:12:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2024-11-25 04:12:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 04:12:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:12:31,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:31,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:12:31,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:12:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2024-11-25 04:12:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-25 04:12:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:12:31,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:31,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:12:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2024-11-25 04:12:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-25 04:12:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:12:32,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:12:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 56 transitions. [2024-11-25 04:12:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2024-11-25 04:12:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:12:32,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:32,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:12:32,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:12:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 66 transitions. [2024-11-25 04:12:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-25 04:12:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:12:34,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:34,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:34,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:12:34,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:12:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 68 transitions. [2024-11-25 04:12:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-25 04:12:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 04:12:35,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:35,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:12:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 67 transitions. [2024-11-25 04:12:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2024-11-25 04:12:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:12:36,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:36,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:12:36,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:12:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 71 transitions. [2024-11-25 04:12:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2024-11-25 04:12:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:12:36,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-25 04:12:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 72 transitions. [2024-11-25 04:12:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2024-11-25 04:12:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:12:37,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 04:12:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 92 transitions. [2024-11-25 04:12:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2024-11-25 04:12:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:12:39,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:39,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:39,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:12:39,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 04:12:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 96 transitions. [2024-11-25 04:12:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2024-11-25 04:12:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:12:41,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 04:12:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 24 states and 34 transitions. [2024-11-25 04:12:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-25 04:12:41,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:12:41,949 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2024-11-25 04:12:41,959 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:12:42,519 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-25 04:12:42,519 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:12:42,519 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (or (and (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|)))) [2024-11-25 04:12:42,519 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-25 04:12:42,520 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-11-25 04:12:42,520 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:12:42,520 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-25 04:12:42,520 INFO L77 FloydHoareUtils]: At program point L30-1(lines 30 42) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse0 (= |ULTIMATE.start_main_~s~0#1| 4))) (or (and (not (and (= |ULTIMATE.start_main_~a~0#1| 1) .cse0)) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) .cse1))) (not (= |ULTIMATE.start_main_#t~post5#1| 0)) (and (<= 1 ~counter~0) .cse1) (and (< ~counter~0 2) .cse0) (not (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|)))))) [2024-11-25 04:12:42,520 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: true [2024-11-25 04:12:42,522 INFO L77 FloydHoareUtils]: At program point L30-4(lines 30 42) the Hoare annotation is: true [2024-11-25 04:12:42,522 INFO L77 FloydHoareUtils]: At program point L30-5(lines 30 42) the Hoare annotation is: true [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:12:42,523 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-25 04:12:42,524 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-25 04:12:42,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:42 ImpRootNode [2024-11-25 04:12:42,541 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:42,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:42,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:42,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:42,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29" (3/4) ... [2024-11-25 04:12:42,545 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:12:42,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 04:12:42,552 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 04:12:42,553 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 04:12:42,553 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:12:42,553 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:12:42,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:12:42,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:12:42,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:42,644 INFO L158 Benchmark]: Toolchain (without parser) took 13932.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 130.4MB in the beginning and 77.2MB in the end (delta: 53.2MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2024-11-25 04:12:42,645 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:42,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.77ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 119.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:42,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.07ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 118.2MB in the end (delta: 968.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:42,646 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 117.3MB in the end (delta: 597.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:42,647 INFO L158 Benchmark]: RCFGBuilder took 307.99ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 106.0MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:12:42,647 INFO L158 Benchmark]: CodeCheck took 13169.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 105.7MB in the beginning and 81.6MB in the end (delta: 24.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-25 04:12:42,647 INFO L158 Benchmark]: Witness Printer took 101.41ms. Allocated memory is still 201.3MB. Free memory was 81.6MB in the beginning and 77.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:42,649 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 711 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 922 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2421 IncrementalHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 922 mSolverCounterUnsat, 557 mSDtfsCounter, 2421 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3125 GetRequests, 2868 SyntacticMatches, 103 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13455 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 10 NumberOfNonLiveVariables, 537 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 553/647 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: 14]: 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: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.77ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 119.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.07ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 118.2MB in the end (delta: 968.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 117.3MB in the end (delta: 597.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.99ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 106.0MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13169.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 105.7MB in the beginning and 81.6MB in the end (delta: 24.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Witness Printer took 101.41ms. Allocated memory is still 201.3MB. Free memory was 81.6MB in the beginning and 77.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:12:42,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89296562-40a6-4f74-b608-8190f9d19d94/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE