./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/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_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/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_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:34,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:34,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:34,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:34,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:34,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:34,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:34,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:34,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:34,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:34,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:34,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:34,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:34,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:34,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:34,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:34,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:34,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:34,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:34,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:34,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:34,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:34,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:34,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:34,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:34,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:34,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:34,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:34,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:34,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:34,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:34,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:34,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:34,576 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_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2023-11-24 23:01:34,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:34,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:34,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:34,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:34,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:34,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2023-11-24 23:01:38,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:38,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:38,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2023-11-24 23:01:38,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/data/3c4048511/cca6a3e8fe5c403e9757be82aad573f5/FLAG7d28760ef [2023-11-24 23:01:38,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/data/3c4048511/cca6a3e8fe5c403e9757be82aad573f5 [2023-11-24 23:01:38,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:38,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:38,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:38,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:38,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:38,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11231300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38, skipping insertion in model container [2023-11-24 23:01:38,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:38,533 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_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2023-11-24 23:01:38,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:38,561 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:38,575 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_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2023-11-24 23:01:38,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:38,600 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:38,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38 WrapperNode [2023-11-24 23:01:38,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:38,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:38,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:38,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:38,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,647 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-24 23:01:38,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:38,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:38,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:38,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:38,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:38,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:38,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:38,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:38,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:38" (1/1) ... [2023-11-24 23:01:38,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:38,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:38,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:38,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13f0662f-3e46-48f2-a8e3-57d8c8b1a817/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:01:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:01:38,837 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:38,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:39,075 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:39,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:39,115 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:01:39,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:39 BoogieIcfgContainer [2023-11-24 23:01:39,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:39,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:39,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:39,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:39,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:39" (1/1) ... [2023-11-24 23:01:39,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 23:01:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 23:01:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:39,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:01:39,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-24 23:01:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-24 23:01:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:39,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:39,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 23:01:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 23:01:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:39,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:01:39,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-24 23:01:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-24 23:01:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:40,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:40,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:40,235 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 23:01:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-24 23:01:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-24 23:01:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:40,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:01:40,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 23:01:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 23:01:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:41,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:01:41,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-24 23:01:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-24 23:01:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:41,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:41,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:01:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-24 23:01:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-24 23:01:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:01:42,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:01:42,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:01:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2023-11-24 23:01:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-24 23:01:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:01:43,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:01:43,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:01:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2023-11-24 23:01:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2023-11-24 23:01:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:01:43,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:43,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:01:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-24 23:01:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-24 23:01:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:01:44,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:01:44,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:01:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-24 23:01:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-24 23:01:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:01:45,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:01:45,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:01:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2023-11-24 23:01:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2023-11-24 23:01:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:01:46,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-24 23:01:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-24 23:01:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-24 23:01:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:01:46,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:01:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-11-24 23:01:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-11-24 23:01:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:01:48,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:01:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2023-11-24 23:01:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2023-11-24 23:01:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:01:48,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 23:01:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-24 23:01:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-24 23:01:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:01:49,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:49,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:01:49,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:01:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2023-11-24 23:01:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-24 23:01:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:01:51,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:01:51,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 34 proven. 59 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 23:01:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-24 23:01:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-24 23:01:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:01:53,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:53,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:53,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-24 23:01:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-24 23:01:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-24 23:01:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:01:54,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:54,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:54,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 23:01:54,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 28 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:01:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2023-11-24 23:01:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2023-11-24 23:01:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:01:56,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:59,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:01:59,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 28 proven. 81 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:02:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2023-11-24 23:02:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2023-11-24 23:02:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:02:00,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:00,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-24 23:02:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-11-24 23:02:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-11-24 23:02:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:02:00,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:00,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:02:00,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 33 proven. 88 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:02:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2023-11-24 23:02:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2023-11-24 23:02:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:02:03,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:07,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:02:07,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 50 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-24 23:02:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2023-11-24 23:02:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2023-11-24 23:02:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:02:09,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:09,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:09,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-24 23:02:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-11-24 23:02:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-11-24 23:02:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:02:10,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 23:02:10,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 38 proven. 112 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:02:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2023-11-24 23:02:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2023-11-24 23:02:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:02:13,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:18,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:02:18,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-24 23:02:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2023-11-24 23:02:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2023-11-24 23:02:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:02:19,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:19,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:19,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:19,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-24 23:02:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-11-24 23:02:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-11-24 23:02:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:02:19,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:19,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:19,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 23:02:19,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 139 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:02:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2023-11-24 23:02:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2023-11-24 23:02:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:02:23,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:23,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 23:02:26,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 66 proven. 157 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-24 23:02:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 125 states and 251 transitions. [2023-11-24 23:02:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 251 transitions. [2023-11-24 23:02:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:02:28,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:28,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-24 23:02:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-11-24 23:02:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-11-24 23:02:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:28,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 23:02:28,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 48 proven. 169 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:02:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 133 states and 268 transitions. [2023-11-24 23:02:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 268 transitions. [2023-11-24 23:02:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 23:02:33,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:33,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms