./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:03,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:03,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:06:03,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:03,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:03,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:03,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:03,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:03,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:03,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:03,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:03,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:03,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:03,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:03,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:03,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:03,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:03,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:03,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:03,406 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:03,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:03,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:03,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:03,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:03,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:03,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:03,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:03,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:03,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:03,413 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:03,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:03,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:03,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-12 00:06:03,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:03,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:03,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:03,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:03,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:03,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-12 00:06:06,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:07,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:07,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-12 00:06:07,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/data/21996cdbf/bc4cf98bcea346a293144ccd5fef4712/FLAG8c41fa226 [2023-11-12 00:06:07,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/data/21996cdbf/bc4cf98bcea346a293144ccd5fef4712 [2023-11-12 00:06:07,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:07,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:07,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:07,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:07,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:07,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3992bab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07, skipping insertion in model container [2023-11-12 00:06:07,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:07,264 WARN L240 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_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2023-11-12 00:06:07,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:07,327 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:07,340 WARN L240 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_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2023-11-12 00:06:07,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:07,370 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:07,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07 WrapperNode [2023-11-12 00:06:07,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:07,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:07,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:07,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:07,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,414 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 159 [2023-11-12 00:06:07,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:07,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:07,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:07,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:07,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:07,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:07,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:07,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:07,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:07,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:07,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:06:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:06:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:06:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:07,644 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:07,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:07,894 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:08,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:08,023 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-12 00:06:08,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:08 BoogieIcfgContainer [2023-11-12 00:06:08,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:08,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:08,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:08,047 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:08,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:08" (1/1) ... [2023-11-12 00:06:08,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-12 00:06:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-12 00:06:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:06:08,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:08,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-11-12 00:06:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-12 00:06:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:06:08,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2023-11-12 00:06:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-12 00:06:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:06:08,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:08,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 36 transitions. [2023-11-12 00:06:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-12 00:06:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:06:09,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 38 transitions. [2023-11-12 00:06:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-11-12 00:06:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:06:09,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2023-11-12 00:06:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-12 00:06:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:06:09,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:06:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 42 transitions. [2023-11-12 00:06:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-12 00:06:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:06:09,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 43 transitions. [2023-11-12 00:06:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-12 00:06:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:06:09,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 44 transitions. [2023-11-12 00:06:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-12 00:06:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:10,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 45 transitions. [2023-11-12 00:06:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-12 00:06:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:06:10,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 46 transitions. [2023-11-12 00:06:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-12 00:06:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:06:10,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 47 transitions. [2023-11-12 00:06:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-11-12 00:06:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:06:11,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 48 transitions. [2023-11-12 00:06:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-11-12 00:06:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:06:11,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 49 transitions. [2023-11-12 00:06:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2023-11-12 00:06:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:06:11,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 50 transitions. [2023-11-12 00:06:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-12 00:06:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:06:12,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:12,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 51 transitions. [2023-11-12 00:06:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-12 00:06:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:06:12,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:12,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 52 transitions. [2023-11-12 00:06:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2023-11-12 00:06:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:06:13,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-12 00:06:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 63 transitions. [2023-11-12 00:06:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-12 00:06:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:06:13,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:13,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-12 00:06:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 65 transitions. [2023-11-12 00:06:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-11-12 00:06:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:06:14,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:14,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-12 00:06:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 76 transitions. [2023-11-12 00:06:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2023-11-12 00:06:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:06:15,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 77 transitions. [2023-11-12 00:06:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2023-11-12 00:06:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:06:15,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 78 transitions. [2023-11-12 00:06:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-12 00:06:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:06:16,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 79 transitions. [2023-11-12 00:06:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-12 00:06:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:06:17,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:17,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 80 transitions. [2023-11-12 00:06:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2023-11-12 00:06:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:06:17,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 81 transitions. [2023-11-12 00:06:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2023-11-12 00:06:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-12 00:06:18,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 82 transitions. [2023-11-12 00:06:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-11-12 00:06:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-12 00:06:19,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 83 transitions. [2023-11-12 00:06:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-12 00:06:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-12 00:06:20,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-12 00:06:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 84 transitions. [2023-11-12 00:06:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2023-11-12 00:06:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 00:06:20,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 85 transitions. [2023-11-12 00:06:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-12 00:06:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 00:06:21,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 86 transitions. [2023-11-12 00:06:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-12 00:06:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-12 00:06:21,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 87 transitions. [2023-11-12 00:06:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2023-11-12 00:06:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:06:22,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 88 transitions. [2023-11-12 00:06:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-12 00:06:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-12 00:06:23,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 89 transitions. [2023-11-12 00:06:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2023-11-12 00:06:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-12 00:06:24,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 90 transitions. [2023-11-12 00:06:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2023-11-12 00:06:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-12 00:06:25,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:25,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 91 transitions. [2023-11-12 00:06:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-12 00:06:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-12 00:06:26,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:26,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 92 transitions. [2023-11-12 00:06:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-12 00:06:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 00:06:27,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:27,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 93 transitions. [2023-11-12 00:06:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2023-11-12 00:06:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-12 00:06:28,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 94 transitions. [2023-11-12 00:06:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-12 00:06:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-12 00:06:29,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 95 transitions. [2023-11-12 00:06:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2023-11-12 00:06:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 00:06:30,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 96 transitions. [2023-11-12 00:06:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2023-11-12 00:06:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-12 00:06:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 97 transitions. [2023-11-12 00:06:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-12 00:06:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:06:33,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 98 transitions. [2023-11-12 00:06:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-12 00:06:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 00:06:34,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:34,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 99 transitions. [2023-11-12 00:06:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-12 00:06:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-12 00:06:35,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 100 transitions. [2023-11-12 00:06:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-12 00:06:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-12 00:06:36,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:36,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:06:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 101 transitions. [2023-11-12 00:06:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2023-11-12 00:06:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 00:06:38,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:38,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2023-11-12 00:06:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-12 00:06:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-12 00:06:38,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:06:38,493 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2023-11-12 00:06:38,507 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-12 00:06:38,677 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:06:38,686 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:06:38,687 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:06:38,687 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:06:38,687 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:06:38,688 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-12 00:06:38,689 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:06:38,690 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-12 00:06:38,691 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-12 00:06:38,691 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:06:38,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:06:38 ImpRootNode [2023-11-12 00:06:38,692 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:06:38,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:06:38,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:06:38,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:06:38,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:08" (3/4) ... [2023-11-12 00:06:38,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:06:38,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 00:06:38,710 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-12 00:06:38,710 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-12 00:06:38,711 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:06:38,711 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:06:38,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result) && (n == 0)) [2023-11-12 00:06:38,769 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result) && (n == 0)) [2023-11-12 00:06:38,827 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:06:38,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:06:38,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:06:38,829 INFO L158 Benchmark]: Toolchain (without parser) took 31766.84ms. Allocated memory was 151.0MB in the beginning and 465.6MB in the end (delta: 314.6MB). Free memory was 110.9MB in the beginning and 386.7MB in the end (delta: -275.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-12 00:06:38,829 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:38,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.41ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 99.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:06:38,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.35ms. Allocated memory is still 151.0MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:38,830 INFO L158 Benchmark]: Boogie Preprocessor took 47.90ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:38,831 INFO L158 Benchmark]: RCFGBuilder took 550.66ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 73.6MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:38,831 INFO L158 Benchmark]: CodeCheck took 30665.49ms. Allocated memory was 151.0MB in the beginning and 465.6MB in the end (delta: 314.6MB). Free memory was 73.6MB in the beginning and 392.9MB in the end (delta: -319.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:38,832 INFO L158 Benchmark]: Witness Printer took 135.24ms. Allocated memory is still 465.6MB. Free memory was 392.9MB in the beginning and 386.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:06:38,834 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3032 SdHoareTripleChecker+Valid, 18.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 871 SdHoareTripleChecker+Invalid, 16.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4753 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8229 IncrementalHoareTripleChecker+Invalid, 12982 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4753 mSolverCounterUnsat, 871 mSDtfsCounter, 8229 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12072 GetRequests, 11210 SyntacticMatches, 600 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25057 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 1517 NumberOfCodeBlocks, 1517 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1472 ConstructedInterpolants, 0 QuantifiedInterpolants, 3116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 8 PerfectInterpolantSequences, 1362/9134 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 - PositiveResult [Line: 13]: 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 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (n == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (n == 0) - InvariantResult [Line: 20]: Loop Invariant [2023-11-12 00:06:38,838 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-12 00:06:38,839 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 Derived loop invariant: (0 == \result) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 22]: Loop Invariant [2023-11-12 00:06:38,840 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-12 00:06:38,840 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 Derived loop invariant: ((size == 0) && (i == 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (n == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.41ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 99.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.35ms. Allocated memory is still 151.0MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.90ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.66ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 73.6MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 30665.49ms. Allocated memory was 151.0MB in the beginning and 465.6MB in the end (delta: 314.6MB). Free memory was 73.6MB in the beginning and 392.9MB in the end (delta: -319.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.24ms. Allocated memory is still 465.6MB. Free memory was 392.9MB in the beginning and 386.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 RESULT: Ultimate proved your program to be correct! [2023-11-12 00:06:38,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_071fe7f9-6fcd-4ee0-a33e-bbe4743d42ca/bin/ukojak-verify-0OAaufAVZV/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