./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL --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 dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:41,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:41,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:08:41,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:41,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:41,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:41,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:41,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:41,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:41,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:41,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:41,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:41,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:41,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:41,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:41,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:41,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:41,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:41,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:41,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:41,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:41,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:41,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:41,318 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:41,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:41,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:41,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:41,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:41,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:41,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:41,322 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:41,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:41,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:41,323 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_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2023-11-19 03:08:41,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:41,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:41,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:41,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:41,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:41,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2023-11-19 03:08:44,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:45,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:45,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2023-11-19 03:08:45,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/data/90d7f6134/a00af68f39a24798a854f05f837e499e/FLAG44d7f5c82 [2023-11-19 03:08:45,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/data/90d7f6134/a00af68f39a24798a854f05f837e499e [2023-11-19 03:08:45,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:45,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:45,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:45,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:45,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:45,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad3bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45, skipping insertion in model container [2023-11-19 03:08:45,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:45,413 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_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2023-11-19 03:08:45,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:45,446 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:45,460 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_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2023-11-19 03:08:45,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:45,485 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:45,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45 WrapperNode [2023-11-19 03:08:45,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:45,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:45,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:45,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:45,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,524 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 03:08:45,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:45,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:45,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:45,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:45,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:45,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:45,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:45,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:45,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:45,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:45,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:08:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:08:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:08:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:08:45,719 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:45,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:45,894 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:45,943 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:45,943 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:08:45,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:45 BoogieIcfgContainer [2023-11-19 03:08:45,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:45,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:45,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:45,960 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:45,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:45" (1/1) ... [2023-11-19 03:08:45,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:08:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:08:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:08:46,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:08:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:08:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:08:46,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-11-19 03:08:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 03:08:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:08:46,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:46,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:08:46,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2023-11-19 03:08:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2023-11-19 03:08:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:08:47,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:47,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:47,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:08:47,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 59 transitions. [2023-11-19 03:08:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2023-11-19 03:08:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:08:48,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:48,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:08:48,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:08:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 70 transitions. [2023-11-19 03:08:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2023-11-19 03:08:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:48,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:48,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:49,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:08:49,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 72 transitions. [2023-11-19 03:08:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 03:08:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:08:49,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:49,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:49,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:49,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 51 states and 109 transitions. [2023-11-19 03:08:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2023-11-19 03:08:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:08:50,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:50,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:08:50,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 128 transitions. [2023-11-19 03:08:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 128 transitions. [2023-11-19 03:08:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:08:52,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:52,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:08:52,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 58 states and 130 transitions. [2023-11-19 03:08:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2023-11-19 03:08:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:08:53,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:08:53,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:08:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 149 transitions. [2023-11-19 03:08:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 149 transitions. [2023-11-19 03:08:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:08:54,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:54,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:08:54,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:08:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 72 states and 180 transitions. [2023-11-19 03:08:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 180 transitions. [2023-11-19 03:08:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:08:59,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:59,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:08:59,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:09:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 75 states and 196 transitions. [2023-11-19 03:09:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 196 transitions. [2023-11-19 03:09:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:09:01,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:01,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:09:01,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:01,852 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:09:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 76 states and 199 transitions. [2023-11-19 03:09:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 199 transitions. [2023-11-19 03:09:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:09:02,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:02,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:02,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:09:02,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:09:03,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 218 transitions. [2023-11-19 03:09:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 218 transitions. [2023-11-19 03:09:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:03,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:03,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:09:03,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:09:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 84 states and 236 transitions. [2023-11-19 03:09:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 236 transitions. [2023-11-19 03:09:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:06,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:06,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:06,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:09:06,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:09:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 89 states and 254 transitions. [2023-11-19 03:09:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 254 transitions. [2023-11-19 03:09:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:09,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:09,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:09,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:09:09,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:09:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 93 states and 266 transitions. [2023-11-19 03:09:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 266 transitions. [2023-11-19 03:09:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:13,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:13,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:09:13,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:09:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 95 states and 268 transitions. [2023-11-19 03:09:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 268 transitions. [2023-11-19 03:09:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:09:15,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:15,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:09:15,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:09:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 99 states and 292 transitions. [2023-11-19 03:09:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 292 transitions. [2023-11-19 03:09:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:09:17,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:17,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:09:17,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:09:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 109 states and 396 transitions. [2023-11-19 03:09:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 396 transitions. [2023-11-19 03:09:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:09:21,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:21,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:09:21,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:09:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 55 states and 159 transitions. [2023-11-19 03:09:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 159 transitions. [2023-11-19 03:09:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:09:24,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:24,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:25,045 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2023-11-19 03:09:25,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:09:25 ImpRootNode [2023-11-19 03:09:25,103 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:09:25,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:09:25,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:09:25,104 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:09:25,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:45" (3/4) ... [2023-11-19 03:09:25,106 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:09:25,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,119 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-19 03:09:25,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:09:25,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:09:25,232 INFO L158 Benchmark]: Toolchain (without parser) took 40053.49ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 136.1MB in the beginning and 230.0MB in the end (delta: -94.0MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,232 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:25,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.50ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 125.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.57ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 123.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,234 INFO L158 Benchmark]: Boogie Preprocessor took 36.69ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 122.6MB in the end (delta: 951.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,235 INFO L158 Benchmark]: RCFGBuilder took 385.56ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 109.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,235 INFO L158 Benchmark]: CodeCheck took 39154.23ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 108.8MB in the beginning and 233.2MB in the end (delta: -124.3MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,236 INFO L158 Benchmark]: Witness Printer took 127.05ms. Allocated memory is still 388.0MB. Free memory was 233.2MB in the beginning and 230.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:25,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.1s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2115 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 800 mSDsluCounter, 1610 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 2338 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8931 IncrementalHoareTripleChecker+Invalid, 11269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2338 mSolverCounterUnsat, 1408 mSDtfsCounter, 8931 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7598 GetRequests, 7088 SyntacticMatches, 178 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52036 ImplicationChecksByTransitivity, 30.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 3606 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2083 ConjunctsInSsa, 247 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 718/782 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 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L18] int counter = 0; [L20] long long a, b, p, q, r, s; [L21] int x, y; [L22] x = __VERIFIER_nondet_int() [L23] y = __VERIFIER_nondet_int() [L24] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x >= 1) VAL [counter=0, x=3, y=5] [L25] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L25] RET assume_abort_if_not(y >= 1) VAL [counter=0, x=3, y=5] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [a=3, b=5, counter=0, p=1, q=0, r=0, s=1, x=3, y=5] [L34] EXPR counter++ VAL [a=3, b=5, counter=1, p=1, q=0, r=0, s=1, x=3, y=5] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=3, b=5, counter=1, p=1, q=0, r=0, s=1, x=3, y=5] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=3, b=5, counter=1, p=1, q=0, r=0, s=1, x=3, y=5] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=3, b=5, counter=1, p=1, q=0, r=0, s=1, x=3, y=5] [L39] COND FALSE !(!(a != b)) [L42] COND FALSE !(a > b) [L47] b = b - a [L48] q = q - p [L49] s = s - r VAL [a=3, b=2, counter=1, p=1, q=-1, r=0, s=1, x=3, y=5] [L34] EXPR counter++ VAL [a=3, b=2, counter=2, p=1, q=-1, r=0, s=1, x=3, y=5] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=3, b=2, counter=2, p=1, q=-1, r=0, s=1, x=3, y=5] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=3, b=2, counter=2, p=1, q=-1, r=0, s=1, x=3, y=5] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=2] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=3, b=2, counter=2, p=1, q=-1, r=0, s=1, x=3, y=5] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=1, b=2, counter=2, p=2, q=-1, r=-1, s=1, x=3, y=5] [L34] EXPR counter++ VAL [a=1, b=2, counter=3, p=2, q=-1, r=-1, s=1, x=3, y=5] [L34] COND FALSE !(counter++<2) [L53] CALL __VERIFIER_assert(a - b == 0) VAL [\old(cond)=0, counter=3] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L13] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.50ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 125.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.57ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 123.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.69ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 122.6MB in the end (delta: 951.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.56ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 109.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 39154.23ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 108.8MB in the beginning and 233.2MB in the end (delta: -124.3MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 127.05ms. Allocated memory is still 388.0MB. Free memory was 233.2MB in the beginning and 230.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:09:25,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b7033c-b3a0-4f28-88a9-64b9a54c15a9/bin/ukojak-verify-G8NBE6pJGL/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE