./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 02da88a4f4d1ccaffb329e5ada42e451b6381aa731e6c7a9ccc4142d0ea1fbdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:42:03,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:42:03,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:42:03,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:42:03,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:42:03,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:42:03,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:42:03,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:42:03,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:42:03,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:42:03,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:42:03,665 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:42:03,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:42:03,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:42:03,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:42:03,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:42:03,667 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02da88a4f4d1ccaffb329e5ada42e451b6381aa731e6c7a9ccc4142d0ea1fbdc [2024-12-06 02:42:03,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:42:03,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:42:03,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:42:03,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:42:03,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:42:03,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-12-06 02:42:06,584 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/cfcbbeea5/01116d0eb9b342d19e0a0f73d2b4fb6a/FLAG5cdacb40b [2024-12-06 02:42:06,770 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:42:06,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-12-06 02:42:06,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/cfcbbeea5/01116d0eb9b342d19e0a0f73d2b4fb6a/FLAG5cdacb40b [2024-12-06 02:42:06,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/cfcbbeea5/01116d0eb9b342d19e0a0f73d2b4fb6a [2024-12-06 02:42:06,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:42:06,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:42:06,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:42:06,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:42:06,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:42:06,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:06,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a2737c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06, skipping insertion in model container [2024-12-06 02:42:06,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:06,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:42:06,936 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-12-06 02:42:06,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:42:06,965 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:42:06,974 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-12-06 02:42:06,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:42:06,997 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:42:06,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06 WrapperNode [2024-12-06 02:42:06,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:42:06,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:42:06,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:42:06,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:42:07,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,031 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2024-12-06 02:42:07,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:42:07,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:42:07,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:42:07,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:42:07,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:42:07,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:42:07,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:42:07,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:42:07,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:06" (1/1) ... [2024-12-06 02:42:07,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:42:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:42:07,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:42:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:42:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:42:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:42:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:42:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:42:07,169 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:42:07,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:42:07,301 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 02:42:07,301 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:42:07,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:42:07,373 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:42:07,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:07 BoogieIcfgContainer [2024-12-06 02:42:07,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:42:07,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:42:07,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:42:07,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:42:07,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:07" (1/1) ... [2024-12-06 02:42:07,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:42:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:42:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:42:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:42:07,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:42:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:42:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:42:07,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 02:42:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 02:42:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:42:08,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 02:42:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 02:42:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:42:09,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:09,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2024-12-06 02:42:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2024-12-06 02:42:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:42:12,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 30 states and 68 transitions. [2024-12-06 02:42:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 68 transitions. [2024-12-06 02:42:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:42:15,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:15,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 36 states and 98 transitions. [2024-12-06 02:42:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 98 transitions. [2024-12-06 02:42:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:42:20,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:20,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 43 states and 135 transitions. [2024-12-06 02:42:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 135 transitions. [2024-12-06 02:42:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:42:26,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:26,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 46 states and 142 transitions. [2024-12-06 02:42:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 142 transitions. [2024-12-06 02:42:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:42:28,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 51 states and 163 transitions. [2024-12-06 02:42:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 163 transitions. [2024-12-06 02:42:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:42:33,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:33,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:33,792 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:42:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:33,982 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:42:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:34,175 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 02:42:34,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:42:34 ImpRootNode [2024-12-06 02:42:34,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:42:34,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:42:34,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:42:34,201 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:42:34,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:07" (3/4) ... [2024-12-06 02:42:34,203 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:42:34,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:42:34,205 INFO L158 Benchmark]: Toolchain (without parser) took 27411.05ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 116.0MB in the beginning and 180.3MB in the end (delta: -64.2MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2024-12-06 02:42:34,205 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:42:34,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.64ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:34,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.61ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:34,206 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.2MB in the end (delta: 800.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:42:34,207 INFO L158 Benchmark]: RCFGBuilder took 319.00ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 83.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:42:34,207 INFO L158 Benchmark]: CodeCheck took 26826.42ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 83.4MB in the beginning and 180.4MB in the end (delta: -96.9MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. [2024-12-06 02:42:34,207 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 444.6MB. Free memory was 180.4MB in the beginning and 180.3MB in the end (delta: 59.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:42:34,210 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 409 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 396 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2105 IncrementalHoareTripleChecker+Invalid, 2501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 396 mSolverCounterUnsat, 9 mSDtfsCounter, 2105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1689 GetRequests, 1410 SyntacticMatches, 57 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25329 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 2443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/244 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 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 38, overapproximation of bitwiseAnd at line 55. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L30] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 1); [L31] const SORT_9 msb_SORT_9 = (SORT_9)1 << (1 - 1); [L33] const SORT_1 var_2 = 0; [L34] const SORT_1 var_5 = 1; [L35] const SORT_1 var_8 = mask_SORT_1; [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L38] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_4_arg_1 = var_2; [L41] state_3 = init_4_arg_1 VAL [mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] EXPR var_6 & mask_SORT_1 [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.64ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.61ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.2MB in the end (delta: 800.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.00ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 83.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26826.42ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 83.4MB in the beginning and 180.4MB in the end (delta: -96.9MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 444.6MB. Free memory was 180.4MB in the beginning and 180.3MB in the end (delta: 59.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:42:34,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 02da88a4f4d1ccaffb329e5ada42e451b6381aa731e6c7a9ccc4142d0ea1fbdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:42:36,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:42:36,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:42:36,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:42:36,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:42:36,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:42:36,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:42:36,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:42:36,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:42:36,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:42:36,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:42:36,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:42:36,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:42:36,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:42:36,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:42:36,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:42:36,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:36,207 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:42:36,207 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02da88a4f4d1ccaffb329e5ada42e451b6381aa731e6c7a9ccc4142d0ea1fbdc [2024-12-06 02:42:36,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:42:36,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:42:36,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:42:36,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:42:36,442 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:42:36,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-12-06 02:42:39,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/162d0fd6b/c96ff2b8e5f24d3db5c99182174f978a/FLAGc99fa5772 [2024-12-06 02:42:39,321 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:42:39,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c [2024-12-06 02:42:39,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/162d0fd6b/c96ff2b8e5f24d3db5c99182174f978a/FLAGc99fa5772 [2024-12-06 02:42:39,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/data/162d0fd6b/c96ff2b8e5f24d3db5c99182174f978a [2024-12-06 02:42:39,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:42:39,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:42:39,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:42:39,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:42:39,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:42:39,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1979133c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39, skipping insertion in model container [2024-12-06 02:42:39,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:42:39,819 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-12-06 02:42:39,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:42:39,849 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:42:39,857 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_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count2.c[1256,1269] [2024-12-06 02:42:39,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:42:39,880 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:42:39,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39 WrapperNode [2024-12-06 02:42:39,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:42:39,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:42:39,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:42:39,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:42:39,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,904 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 02:42:39,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:42:39,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:42:39,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:42:39,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:42:39,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:42:39,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:42:39,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:42:39,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:42:39,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:42:39" (1/1) ... [2024-12-06 02:42:39,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:42:39,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:42:39,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:42:39,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:42:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:42:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:42:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:42:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:42:40,042 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:42:40,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:42:40,134 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 02:42:40,134 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:42:40,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:42:40,156 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:42:40,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:40 BoogieIcfgContainer [2024-12-06 02:42:40,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:42:40,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:42:40,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:42:40,165 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:42:40,165 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:40" (1/1) ... [2024-12-06 02:42:40,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:42:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:42:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:42:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:42:40,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:40,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:40,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:40,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:42:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:40,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:40,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:42:40,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:40,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:42:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:42:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:42:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:42:40,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:40,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:40,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:42:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:40,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:40,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:42:40,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:40,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:42:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 02:42:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 02:42:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:42:41,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:41,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:41,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:41,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:41,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:42:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:41,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:41,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:42:41,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:41,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:42:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 02:42:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 02:42:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:42:41,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:41,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:41,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:41,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:41,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:42:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:41,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:41,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:42:41,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:42,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:42:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 02:42:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 02:42:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:42:42,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:42,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:42,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:42,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:42:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:42,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:42,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:42:42,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:42,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:42:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 02:42:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 02:42:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:42:43,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:43,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:43,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:42:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:43,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:43,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:42:43,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:43,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:42:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 02:42:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 02:42:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:42:44,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:44,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:44,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:44,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:44,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:42:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:44,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:44,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:42:44,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:42:44,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 02:42:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 02:42:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 02:42:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:42:45,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:45,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:45,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:45,496 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:42:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:45,602 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:42:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:45,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:42:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:42:45,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:42:45,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-12-06 02:42:45,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:42:45 ImpRootNode [2024-12-06 02:42:45,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:42:45,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:42:45,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:42:45,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:42:45,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:42:40" (3/4) ... [2024-12-06 02:42:45,766 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:42:45,811 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 24. [2024-12-06 02:42:45,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:42:45,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:42:45,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:42:45,866 INFO L158 Benchmark]: Toolchain (without parser) took 6162.95ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 69.8MB in the beginning and 40.0MB in the end (delta: 29.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,866 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:42:45,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.25ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.79ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:42:45,867 INFO L158 Benchmark]: Boogie Preprocessor took 18.76ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 813.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,867 INFO L158 Benchmark]: RCFGBuilder took 232.29ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 44.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,867 INFO L158 Benchmark]: CodeCheck took 5606.82ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 44.7MB in the beginning and 45.5MB in the end (delta: -798.0kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,867 INFO L158 Benchmark]: Witness Printer took 100.66ms. Allocated memory is still 125.8MB. Free memory was 45.5MB in the beginning and 40.0MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:42:45,869 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 686 IncrementalHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 7 mSDtfsCounter, 686 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 773 SyntacticMatches, 45 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3212 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 27 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/147 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 - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L30] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 1); [L31] const SORT_9 msb_SORT_9 = (SORT_9)1 << (1 - 1); [L33] const SORT_1 var_2 = 0; [L34] const SORT_1 var_5 = 1; [L35] const SORT_1 var_8 = mask_SORT_1; [L38] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_4_arg_1 = var_2; [L41] state_3 = init_4_arg_1 VAL [mask_SORT_1=7, state_3=0, var_5=1, var_8=7] [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.25ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.79ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.76ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 813.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 232.29ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 44.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5606.82ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 44.7MB in the beginning and 45.5MB in the end (delta: -798.0kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 100.66ms. Allocated memory is still 125.8MB. Free memory was 45.5MB in the beginning and 40.0MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:42:45,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ab6f1e-65eb-42b9-b4f0-90874be51a5a/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE