./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/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_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/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_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:23,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:23,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:23,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:23,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:23,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:23,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:23,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:23,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:23,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:23,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:23,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:23,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:24,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:24,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:24,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:24,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:24,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:24,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:24,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:24,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:24,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:24,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:24,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:24,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:24,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:24,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:24,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:24,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:24,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:24,008 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:24,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:24,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:24,009 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_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2023-11-24 23:03:24,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:24,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:24,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:24,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:24,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:24,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2023-11-24 23:03:27,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:27,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:27,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2023-11-24 23:03:27,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/data/d0566325c/1259cff7dafd4484b79af0cffa7ed539/FLAG7848726e2 [2023-11-24 23:03:27,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/data/d0566325c/1259cff7dafd4484b79af0cffa7ed539 [2023-11-24 23:03:27,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:27,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:27,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:27,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:27,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:27,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:27" (1/1) ... [2023-11-24 23:03:27,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792609de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:27, skipping insertion in model container [2023-11-24 23:03:27,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:27" (1/1) ... [2023-11-24 23:03:27,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:27,962 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_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2023-11-24 23:03:27,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:27,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:28,012 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_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2023-11-24 23:03:28,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:28,037 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:28,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28 WrapperNode [2023-11-24 23:03:28,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:28,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:28,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:28,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:28,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,080 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-24 23:03:28,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:28,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:28,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:28,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:28,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:28,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:28,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:28,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:28,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:28,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:28,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357827c9-3354-4fcf-b0ed-ec9e39a4a7be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:28,268 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:28,271 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:28,428 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:28,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:28,473 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:28,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:28 BoogieIcfgContainer [2023-11-24 23:03:28,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:28,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:28,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:28,487 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:28,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-24 23:03:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-24 23:03:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:28,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:28,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:03:28,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:28,945 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 23:03:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-24 23:03:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-24 23:03:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:29,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:29,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:29,173 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 23:03:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 23:03:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 23:03:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:29,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:03:29,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:29,771 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 23:03:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-24 23:03:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-24 23:03:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:30,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:30,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:30,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:03:30,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-24 23:03:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-24 23:03:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:31,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:31,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:31,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:31,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:31,492 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 23:03:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-24 23:03:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-24 23:03:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:33,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:03:33,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2023-11-24 23:03:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2023-11-24 23:03:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:37,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 46 states and 107 transitions. [2023-11-24 23:03:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 107 transitions. [2023-11-24 23:03:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:40,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:40,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:03:40,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 49 states and 120 transitions. [2023-11-24 23:03:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 120 transitions. [2023-11-24 23:03:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:03:43,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:43,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:43,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:43,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 134 transitions. [2023-11-24 23:03:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 134 transitions. [2023-11-24 23:03:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:03:47,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2023-11-24 23:03:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2023-11-24 23:03:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:49,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:49,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:03:49,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2023-11-24 23:03:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2023-11-24 23:03:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:54,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:54,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:54,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:03:54,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 178 transitions. [2023-11-24 23:03:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2023-11-24 23:03:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:56,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:03:56,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 65 states and 198 transitions. [2023-11-24 23:04:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 198 transitions. [2023-11-24 23:04:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:02,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:02,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 69 states and 212 transitions. [2023-11-24 23:04:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 212 transitions. [2023-11-24 23:04:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:08,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:08,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 74 states and 246 transitions. [2023-11-24 23:04:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 246 transitions. [2023-11-24 23:04:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:11,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:04:11,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 78 states and 281 transitions. [2023-11-24 23:04:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 281 transitions. [2023-11-24 23:04:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:20,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:20,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:04:20,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.