./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:29,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:29,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:29,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:29,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:29,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:29,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:29,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:29,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:29,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:29,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:29,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:29,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:29,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:29,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:29,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:29,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:29,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:29,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:29,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:29,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:29,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:29,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:29,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:29,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:29,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:29,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:29,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:29,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:29,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:29,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:29,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:29,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:29,404 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_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a [2023-11-19 03:59:29,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:29,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:29,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:29,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:29,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:29,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-11-19 03:59:33,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:33,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:33,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-11-19 03:59:33,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/data/bf85e14b4/7fdcf7a413fe406b9823334a091199c0/FLAG0102e8987 [2023-11-19 03:59:33,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/data/bf85e14b4/7fdcf7a413fe406b9823334a091199c0 [2023-11-19 03:59:33,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:33,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:33,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:33,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:33,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:33,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d36dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33, skipping insertion in model container [2023-11-19 03:59:33,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:33,550 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_3c1717da-e413-4023-8a17-dc2260237330/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c[535,548] [2023-11-19 03:59:33,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:33,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:33,603 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_3c1717da-e413-4023-8a17-dc2260237330/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c[535,548] [2023-11-19 03:59:33,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:33,660 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:33,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33 WrapperNode [2023-11-19 03:59:33,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:33,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:33,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:33,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:33,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,723 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-11-19 03:59:33,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:33,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:33,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:33,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:33,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:33,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:33,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:33,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:33,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:33,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:33,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1717da-e413-4023-8a17-dc2260237330/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:59:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:59:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:59:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:59:33,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:33,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:34,157 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:34,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:34,188 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:59:34,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:34 BoogieIcfgContainer [2023-11-19 03:59:34,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:34,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:34,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:34,219 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:34,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:34" (1/1) ... [2023-11-19 03:59:34,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-11-19 03:59:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 03:59:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:34,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:34,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:34,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 03:59:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 03:59:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:34,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:59:34,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-19 03:59:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-19 03:59:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:34,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:59:34,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:38,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:59:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2023-11-19 03:59:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-11-19 03:59:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:38,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:38,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:38,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:38,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:41,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:59:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-11-19 03:59:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-19 03:59:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:59:41,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:41,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:59:41,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:44,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:59:45,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:59:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2023-11-19 03:59:49,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2023-11-19 03:59:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:59:49,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2023-11-19 03:59:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2023-11-19 03:59:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:59:49,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2023-11-19 04:00:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2023-11-19 04:00:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:21,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:22,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:22,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2023-11-19 04:00:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2023-11-19 04:00:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:00:31,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:00:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2023-11-19 04:00:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2023-11-19 04:00:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:31,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.