./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/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 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:42,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:42,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:42,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:42,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:42,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:42,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:42,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:42,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:42,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:42,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:42,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:42,605 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:42,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:42,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:42,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:42,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:42,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:42,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:42,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:42,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:42,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:42,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:42,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:42,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:42,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:42,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:42,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:42,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:42,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:42,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:42,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:42,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:42,626 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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2023-11-24 22:52:42,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:43,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:43,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:43,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:43,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:43,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2023-11-24 22:52:46,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:46,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:46,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2023-11-24 22:52:46,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/data/57b2faf2f/5a2d19d31b124b4db1572432434e43e3/FLAG29235232c [2023-11-24 22:52:46,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/data/57b2faf2f/5a2d19d31b124b4db1572432434e43e3 [2023-11-24 22:52:46,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:46,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:46,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:46,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:46,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:46,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbffd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46, skipping insertion in model container [2023-11-24 22:52:46,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:46,555 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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2023-11-24 22:52:46,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:46,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:46,592 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_dd2297c7-a638-4d81-9bd8-b5c36313be4d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2023-11-24 22:52:46,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:46,619 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:46,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46 WrapperNode [2023-11-24 22:52:46,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:46,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:46,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:46,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:46,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,665 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-24 22:52:46,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:46,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:46,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:46,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:46,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:46,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:46,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:46,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:46,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:46" (1/1) ... [2023-11-24 22:52:46,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:46,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:46,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:46,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:46,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:52:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:52:46,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:46,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:46,980 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:47,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:47,030 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:47,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:47 BoogieIcfgContainer [2023-11-24 22:52:47,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:47,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:47,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:47,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:47,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 22:52:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 22:52:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:52:47,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:47,440 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 22:52:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-24 22:52:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-24 22:52:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:52:47,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:47,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:52:47,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:47,913 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 22:52:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-24 22:52:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-24 22:52:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:52:48,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:48,440 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 22:52:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2023-11-24 22:52:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-24 22:52:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:48,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2023-11-24 22:52:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2023-11-24 22:52:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:48,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:52:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2023-11-24 22:52:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-24 22:52:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:52:49,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:49,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:49,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:52:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-24 22:52:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 22:52:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:49,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:49,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:52:49,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:52:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2023-11-24 22:52:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-24 22:52:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:50,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:50,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:52:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2023-11-24 22:52:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-24 22:52:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:50,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:52:50,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:52:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2023-11-24 22:52:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-11-24 22:52:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:52:51,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:51,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-24 22:52:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2023-11-24 22:52:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-24 22:52:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:52:51,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:52:51,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:52:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2023-11-24 22:52:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-24 22:52:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:52:51,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:51,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:52:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2023-11-24 22:52:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-24 22:52:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:52:52,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:52:52,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:52:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2023-11-24 22:52:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-24 22:52:52,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:52:52,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:52:52,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:52:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2023-11-24 22:52:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-24 22:52:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:52:53,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:53,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-24 22:52:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2023-11-24 22:52:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2023-11-24 22:52:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:52:53,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:52:53,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 22:52:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2023-11-24 22:52:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-24 22:52:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:53,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:53,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:53,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-24 22:52:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2023-11-24 22:52:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2023-11-24 22:52:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:52:54,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:52:54,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:52:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2023-11-24 22:52:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2023-11-24 22:52:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:52:54,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:52:54,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:52:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2023-11-24 22:52:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2023-11-24 22:52:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:52:55,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:55,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-24 22:52:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2023-11-24 22:52:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2023-11-24 22:52:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:52:55,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:52:55,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 22:52:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2023-11-24 22:52:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2023-11-24 22:52:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:52:56,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:56,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-24 22:52:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2023-11-24 22:52:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2023-11-24 22:52:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:52:56,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 22:52:56,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 25 proven. 79 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 22:52:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2023-11-24 22:52:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-11-24 22:52:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:52:57,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:52:57,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 22:52:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2023-11-24 22:52:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2023-11-24 22:52:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 22:52:57,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:58,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-24 22:52:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2023-11-24 22:52:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2023-11-24 22:52:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 22:52:58,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:52:58,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 22:52:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 103 transitions. [2023-11-24 22:52:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2023-11-24 22:52:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-24 22:52:59,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:52:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-24 22:52:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 102 transitions. [2023-11-24 22:52:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2023-11-24 22:52:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 22:52:59,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:52:59,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 31 proven. 111 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 22:53:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 104 transitions. [2023-11-24 22:53:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2023-11-24 22:53:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 22:53:00,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:53:00,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 33 proven. 119 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 22:53:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 108 transitions. [2023-11-24 22:53:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2023-11-24 22:53:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 22:53:00,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:00,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2023-11-24 22:53:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 109 transitions. [2023-11-24 22:53:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2023-11-24 22:53:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 22:53:01,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:01,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:01,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:53:01,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 22:53:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 115 transitions. [2023-11-24 22:53:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2023-11-24 22:53:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-24 22:53:01,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:01,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:02,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:02,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-24 22:53:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 114 transitions. [2023-11-24 22:53:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2023-11-24 22:53:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 22:53:02,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:02,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:02,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 22:53:02,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 37 proven. 148 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-24 22:53:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 116 transitions. [2023-11-24 22:53:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2023-11-24 22:53:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 22:53:03,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:03,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 22:53:03,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 39 proven. 157 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-24 22:53:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 120 transitions. [2023-11-24 22:53:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2023-11-24 22:53:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 22:53:04,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:04,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:04,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2023-11-24 22:53:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 121 transitions. [2023-11-24 22:53:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2023-11-24 22:53:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-24 22:53:04,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:04,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:53:04,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 22:53:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 127 transitions. [2023-11-24 22:53:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2023-11-24 22:53:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 22:53:05,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:05,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:05,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2023-11-24 22:53:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 126 transitions. [2023-11-24 22:53:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2023-11-24 22:53:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 22:53:05,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:05,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:53:05,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 43 proven. 190 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 22:53:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 128 transitions. [2023-11-24 22:53:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2023-11-24 22:53:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-24 22:53:06,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:06,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:06,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:53:06,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 45 proven. 200 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 22:53:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 132 transitions. [2023-11-24 22:53:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2023-11-24 22:53:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-24 22:53:07,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:07,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:07,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:07,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2023-11-24 22:53:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 72 states and 133 transitions. [2023-11-24 22:53:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2023-11-24 22:53:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-24 22:53:08,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:08,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:08,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:08,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 169 proven. 35 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 22:53:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 56 states and 89 transitions. [2023-11-24 22:53:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2023-11-24 22:53:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-24 22:53:13,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:13,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:13,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:13,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2023-11-24 22:53:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 50 states and 82 transitions. [2023-11-24 22:53:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2023-11-24 22:53:14,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:53:14,617 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2023-11-24 22:53:14,626 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:53:15,845 INFO L560 CodeCheckObserver]: Invariant with dag size 63 [2023-11-24 22:53:15,855 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:53:15,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:15 ImpRootNode [2023-11-24 22:53:15,856 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:15,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:15,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:15,857 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:15,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:47" (3/4) ... [2023-11-24 22:53:15,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:53:15,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:53:15,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:53:15,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:53:15,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:53:15,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:53:15,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:53:15,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:53:15,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:15,991 INFO L158 Benchmark]: Toolchain (without parser) took 29619.27ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 139.5MB in the beginning and 219.3MB in the end (delta: -79.7MB). Peak memory consumption was 126.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,991 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:15,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.83ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 128.4MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 126.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:15,993 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 184.5MB. Free memory was 126.8MB in the beginning and 126.0MB in the end (delta: 772.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,993 INFO L158 Benchmark]: RCFGBuilder took 331.29ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 113.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,994 INFO L158 Benchmark]: CodeCheck took 28822.89ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 113.8MB in the beginning and 223.4MB in the end (delta: -109.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,994 INFO L158 Benchmark]: Witness Printer took 133.22ms. Allocated memory is still 388.0MB. Free memory was 223.4MB in the beginning and 219.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:15,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2171 SdHoareTripleChecker+Valid, 43.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1289 mSDsluCounter, 2268 SdHoareTripleChecker+Invalid, 37.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1732 mSDsCounter, 8741 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18050 IncrementalHoareTripleChecker+Invalid, 26791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8741 mSolverCounterUnsat, 536 mSDtfsCounter, 18050 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20989 GetRequests, 20188 SyntacticMatches, 549 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30691 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 3168 ConstructedInterpolants, 0 QuantifiedInterpolants, 8073 SizeOfPredicates, 90 NumberOfNonLiveVariables, 7602 ConjunctsInSsa, 939 ConjunctsInUnsatCore, 42 InterpolantComputations, 1 PerfectInterpolantSequences, 17940/19730 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) && !(((6 == a) && (t == 13)))) && !(((9 == t) && (a == 4)))) && !(((t == 15) && (7 == a)))) && !(((t == 11) && (5 == a)))) && !(((7 == t) && (3 == a)))) || ((16 == s) && (3 == a))) || ((s == 36) && (5 == a))) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) || ((49 == s) && (t == 13))) || ((7 == a) && (64 == s))) || ((s == 25) && (a == 4))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.83ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 128.4MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 126.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 184.5MB. Free memory was 126.8MB in the beginning and 126.0MB in the end (delta: 772.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.29ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 113.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 28822.89ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 113.8MB in the beginning and 223.4MB in the end (delta: -109.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. * Witness Printer took 133.22ms. Allocated memory is still 388.0MB. Free memory was 223.4MB in the beginning and 219.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:53:16,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2297c7-a638-4d81-9bd8-b5c36313be4d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE