./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 0e0057cc 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_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/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_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:58:39,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:58:39,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:58:39,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:58:39,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:58:39,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:58:39,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:58:39,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:58:39,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:58:39,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:58:39,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:58:39,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:58:39,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:58:39,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:58:39,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:58:39,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:58:39,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:58:39,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:58:39,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:58:39,357 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:58:39,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:58:39,358 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:58:39,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:58:39,359 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:58:39,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:58:39,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:58:39,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:58:39,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:58:39,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:58:39,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:58:39,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:58:39,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:58:39,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:58:39,362 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_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2023-12-03 04:58:39,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:58:39,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:58:39,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:58:39,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:58:39,613 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:58:39,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2023-12-03 04:58:42,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:58:42,850 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:58:42,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2023-12-03 04:58:42,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/data/6b594c3f4/7e20bb95168e4a989a677444415ce480/FLAGf0574d4ef [2023-12-03 04:58:42,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/data/6b594c3f4/7e20bb95168e4a989a677444415ce480 [2023-12-03 04:58:42,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:58:42,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:58:42,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:42,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:58:42,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:58:42,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:42" (1/1) ... [2023-12-03 04:58:42,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e54faed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:42, skipping insertion in model container [2023-12-03 04:58:42,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:42" (1/1) ... [2023-12-03 04:58:42,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:58:43,045 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_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2023-12-03 04:58:43,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:43,077 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:58:43,088 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_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502] [2023-12-03 04:58:43,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:58:43,111 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:58:43,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43 WrapperNode [2023-12-03 04:58:43,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:58:43,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:43,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:58:43,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:58:43,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,143 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-12-03 04:58:43,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:58:43,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:58:43,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:58:43,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:58:43,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:58:43,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:58:43,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:58:43,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:58:43,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:58:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:58:43,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:58:43,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:58:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:58:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:58:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:58:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:58:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:58:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:58:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:58:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:58:43,319 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:58:43,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:58:43,468 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:58:43,509 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:58:43,509 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:58:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:43 BoogieIcfgContainer [2023-12-03 04:58:43,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:58:43,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:58:43,511 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:58:43,520 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:58:43,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:43" (1/1) ... [2023-12-03 04:58:43,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:58:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-12-03 04:58:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-12-03 04:58:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:58:43,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-12-03 04:58:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-12-03 04:58:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:58:43,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-12-03 04:58:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-12-03 04:58:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:58:43,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:44,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:58:44,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:58:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2023-12-03 04:58:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2023-12-03 04:58:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:58:44,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:44,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 04:58:44,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:58:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 70 transitions. [2023-12-03 04:58:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2023-12-03 04:58:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:58:45,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:46,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 04:58:46,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 37 states and 68 transitions. [2023-12-03 04:58:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-12-03 04:58:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:58:46,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:46,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:46,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 04:58:46,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:58:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 80 transitions. [2023-12-03 04:58:47,849 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-12-03 04:58:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:58:47,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:47,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:58:47,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:58:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 81 transitions. [2023-12-03 04:58:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-12-03 04:58:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:58:48,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:48,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:48,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:58:48,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 98 transitions. [2023-12-03 04:58:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2023-12-03 04:58:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:58:49,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:49,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:58:49,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:58:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 142 transitions. [2023-12-03 04:58:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 142 transitions. [2023-12-03 04:58:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:58:51,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:52,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:58:52,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:58:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 146 transitions. [2023-12-03 04:58:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 146 transitions. [2023-12-03 04:58:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:58:52,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:52,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:58:52,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:58:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 64 states and 162 transitions. [2023-12-03 04:58:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 162 transitions. [2023-12-03 04:58:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 04:58:54,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:54,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:54,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 04:58:54,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:58:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 69 states and 191 transitions. [2023-12-03 04:58:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 191 transitions. [2023-12-03 04:58:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 04:58:57,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:58:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:57,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:58:57,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 04:59:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 78 states and 219 transitions. [2023-12-03 04:59:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 219 transitions. [2023-12-03 04:59:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 04:59:03,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:03,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:59:03,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 04:59:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 80 states and 222 transitions. [2023-12-03 04:59:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 222 transitions. [2023-12-03 04:59:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:59:04,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:04,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:59:04,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 04:59:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 83 states and 234 transitions. [2023-12-03 04:59:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 234 transitions. [2023-12-03 04:59:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:59:08,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:08,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:59:08,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 04:59:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 88 states and 257 transitions. [2023-12-03 04:59:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 257 transitions. [2023-12-03 04:59:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:59:13,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:13,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:59:13,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 04:59:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 91 states and 263 transitions. [2023-12-03 04:59:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 263 transitions. [2023-12-03 04:59:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:59:16,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:16,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:16,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:59:16,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 04:59:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 95 states and 273 transitions. [2023-12-03 04:59:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 273 transitions. [2023-12-03 04:59:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:59:19,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:19,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 04:59:19,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 04:59:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 97 states and 275 transitions. [2023-12-03 04:59:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 275 transitions. [2023-12-03 04:59:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:59:21,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:21,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:59:21,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 04:59:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 101 states and 293 transitions. [2023-12-03 04:59:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 293 transitions. [2023-12-03 04:59:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:59:31,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:31,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:31,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:59:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:32,033 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-12-03 04:59:32,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:59:32 ImpRootNode [2023-12-03 04:59:32,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:59:32,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:59:32,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:59:32,077 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:59:32,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:43" (3/4) ... [2023-12-03 04:59:32,078 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:59:32,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:59:32,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:59:32,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:59:32,140 INFO L158 Benchmark]: Toolchain (without parser) took 49262.46ms. Allocated memory was 153.1MB in the beginning and 276.8MB in the end (delta: 123.7MB). Free memory was 121.7MB in the beginning and 120.6MB in the end (delta: 1.1MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,140 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:32,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.04ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 110.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.93ms. Allocated memory is still 153.1MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,142 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 153.1MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,142 INFO L158 Benchmark]: RCFGBuilder took 341.53ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 94.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,143 INFO L158 Benchmark]: CodeCheck took 48564.92ms. Allocated memory was 153.1MB in the beginning and 276.8MB in the end (delta: 123.7MB). Free memory was 94.7MB in the beginning and 123.7MB in the end (delta: -29.0MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,143 INFO L158 Benchmark]: Witness Printer took 62.48ms. Allocated memory is still 276.8MB. Free memory was 123.7MB in the beginning and 120.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:32,146 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: 48.5s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1850 SdHoareTripleChecker+Valid, 18.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 628 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 2307 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8489 IncrementalHoareTripleChecker+Invalid, 10796 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2307 mSolverCounterUnsat, 830 mSDtfsCounter, 8489 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7042 GetRequests, 6632 SyntacticMatches, 80 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50053 ImplicationChecksByTransitivity, 40.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 678 NumberOfCodeBlocks, 678 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 4455 SizeOfPredicates, 86 NumberOfNonLiveVariables, 1887 ConjunctsInSsa, 422 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 530/614 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=4] [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=4] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [a=3, b=4, counter=0, p=1, q=0, r=0, s=1, x=3, y=4] [L34] EXPR counter++ VAL [a=3, b=4, counter=1, p=1, q=0, r=0, s=1, x=3, y=4] [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=4, counter=1, p=1, q=0, r=0, s=1, x=3, y=4] [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=4, counter=1, p=1, q=0, r=0, s=1, x=3, y=4] [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=4, counter=1, p=1, q=0, r=0, s=1, x=3, y=4] [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=1, counter=1, p=1, q=-1, r=0, s=1, x=3, y=4] [L34] EXPR counter++ VAL [a=3, b=1, counter=2, p=1, q=-1, r=0, s=1, x=3, y=4] [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=1, counter=2, p=1, q=-1, r=0, s=1, x=3, y=4] [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=1, counter=2, p=1, q=-1, r=0, s=1, x=3, y=4] [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=1, counter=2, p=1, q=-1, r=0, s=1, x=3, y=4] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=2, b=1, counter=2, p=2, q=-1, r=-1, s=1, x=3, y=4] [L34] EXPR counter++ VAL [a=2, b=1, counter=3, p=2, q=-1, r=-1, s=1, x=3, y=4] [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 0.23ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.04ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 110.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.93ms. Allocated memory is still 153.1MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 153.1MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.53ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 94.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 48564.92ms. Allocated memory was 153.1MB in the beginning and 276.8MB in the end (delta: 123.7MB). Free memory was 94.7MB in the beginning and 123.7MB in the end (delta: -29.0MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Witness Printer took 62.48ms. Allocated memory is still 276.8MB. Free memory was 123.7MB in the beginning and 120.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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! [2023-12-03 04:59:32,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7be78b2e-cff3-4f06-b26b-006f83c8bcdd/bin/ukojak-verify-Qdu7aM0XO9/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