./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.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_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi --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 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:03,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:03,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:03,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:03,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:03,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:03,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:03,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:03,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:03,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:03,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:03,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:03,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:03,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:03,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:03,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:03,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:03,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:03,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:03,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:03,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:03,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:03,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:03,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:03,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:03,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:03,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:03,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:03,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:03,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:03,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:03,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:03,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:03,793 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f [2023-11-24 22:12:04,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:04,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:04,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:04,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:04,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:04,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-24 22:12:07,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:07,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:07,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-24 22:12:07,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/b438b378d/6d5dd2f3ad1748c986064e5a865d55c7/FLAGfa6bfd116 [2023-11-24 22:12:07,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/b438b378d/6d5dd2f3ad1748c986064e5a865d55c7 [2023-11-24 22:12:07,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:07,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:07,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:07,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:07,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:07,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59493f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07, skipping insertion in model container [2023-11-24 22:12:07,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:07,687 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-24 22:12:07,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:07,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:07,725 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-24 22:12:07,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:07,746 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:07,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07 WrapperNode [2023-11-24 22:12:07,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:07,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:07,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:07,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:07,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,779 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-24 22:12:07,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:07,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:07,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:07,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:07,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:07,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:07,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:07,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:07,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:07" (1/1) ... [2023-11-24 22:12:07,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:07,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:07,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:12:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:12:07,943 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:07,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:08,078 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:08,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:08,136 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:08,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:08 BoogieIcfgContainer [2023-11-24 22:12:08,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:08,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:08,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:08,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:08,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:08" (1/1) ... [2023-11-24 22:12:08,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:12:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:12:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:08,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:08,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:12:08,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-24 22:12:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-24 22:12:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:12:09,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:09,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:12:09,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 22:12:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 22:12:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:12:09,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:09,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:09,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:12:09,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-24 22:12:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-24 22:12:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:12:09,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:09,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:09,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-24 22:12:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-24 22:12:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:12:10,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:10,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:12:10,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 22:12:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 22:12:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:12:11,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:11,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:12:11,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-24 22:12:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-24 22:12:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:11,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:11,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:11,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:12:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-24 22:12:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-24 22:12:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:12:11,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:11,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:12:11,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2023-11-24 22:12:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-24 22:12:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:12:12,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:12,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:12,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2023-11-24 22:12:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2023-11-24 22:12:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:13,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:13,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:12:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-24 22:12:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-24 22:12:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:12:13,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:12:13,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-24 22:12:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-24 22:12:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:12:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:15,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:15,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2023-11-24 22:12:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2023-11-24 22:12:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:12:15,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:15,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:15,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:15,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-24 22:12:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-24 22:12:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-24 22:12:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:12:16,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:16,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:16,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:12:16,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-11-24 22:12:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-11-24 22:12:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:12:17,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:17,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:17,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2023-11-24 22:12:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2023-11-24 22:12:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:12:18,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 22:12:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-24 22:12:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-24 22:12:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:18,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:12:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2023-11-24 22:12:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-24 22:12:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:12:20,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:22,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:12:22,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 34 proven. 59 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:12:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-24 22:12:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-24 22:12:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:12:23,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:23,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:23,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-24 22:12:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-24 22:12:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-24 22:12:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:12:24,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:12:24,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 28 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:12:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2023-11-24 22:12:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2023-11-24 22:12:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:12:26,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:12:36,461 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:12:36,464 INFO L158 Benchmark]: Toolchain (without parser) took 28959.09ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 117.3MB in the beginning and 72.1MB in the end (delta: 45.1MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,465 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:36,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.07ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.58ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,466 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,467 INFO L158 Benchmark]: RCFGBuilder took 335.26ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 91.7MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,468 INFO L158 Benchmark]: CodeCheck took 28324.32ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 91.7MB in the beginning and 72.1MB in the end (delta: 19.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:36,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.07ms. Allocated memory is still 163.6MB. Free memory was 116.8MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.58ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.26ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 91.7MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 28324.32ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 91.7MB in the beginning and 72.1MB in the end (delta: 19.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:12:36,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi --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 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:39,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:39,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:12:39,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:39,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:39,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:39,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:39,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:39,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:39,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:39,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:39,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:39,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:39,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:39,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:39,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:39,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:39,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:39,334 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:39,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:39,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:39,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:39,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:39,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:39,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:39,339 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:39,339 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:39,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:39,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:39,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:39,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:39,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:39,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:39,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:39,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:39,343 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:39,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:39,344 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f [2023-11-24 22:12:39,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:39,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:39,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:39,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:39,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:39,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-24 22:12:43,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:43,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:43,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-24 22:12:43,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/68c977632/db9ea4310d6948efaddae7e5af684c48/FLAG9e5525dc0 [2023-11-24 22:12:43,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/data/68c977632/db9ea4310d6948efaddae7e5af684c48 [2023-11-24 22:12:43,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:43,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:43,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:43,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:43,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:43,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ddee79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43, skipping insertion in model container [2023-11-24 22:12:43,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:43,540 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-24 22:12:43,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:43,577 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:43,591 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_2eb13c53-9fd4-4374-829b-8559f1622ad2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-24 22:12:43,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:43,624 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:43,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43 WrapperNode [2023-11-24 22:12:43,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:43,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:43,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:43,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:43,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,669 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-24 22:12:43,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:43,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:43,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:43,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:43,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:43,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:43,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:43,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:43,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:43,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:43,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:43,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:12:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:12:43,907 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:43,909 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:44,229 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:44,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:44,322 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:44,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:44 BoogieIcfgContainer [2023-11-24 22:12:44,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:44,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:44,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:44,340 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:44,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:44" (1/1) ... [2023-11-24 22:12:44,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:12:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:12:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:44,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:44,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:44,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:44,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:45,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:12:45,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:45,304 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:12:45,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:12:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-24 22:12:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-24 22:12:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:12:47,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:47,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:47,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:47,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:47,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:12:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:47,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:47,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:12:47,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:48,126 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:12:48,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:12:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-24 22:12:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-24 22:12:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:12:51,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:51,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:51,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:51,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:12:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:52,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:52,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:12:52,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:52,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:12:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2023-11-24 22:12:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2023-11-24 22:12:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:12:56,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:56,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:56,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:56,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb13c53-9fd4-4374-829b-8559f1622ad2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:12:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:56,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:56,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:12:56,341 INFO L285 TraceCheckSpWp]: Computing forward predicates...