./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i --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_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/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_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/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_70973d6a-fe81-4213-9173-5a80f1505ea3/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 c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:42,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:42,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:00:42,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:42,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:42,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:42,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:42,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:42,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:42,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:42,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:42,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:42,832 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:42,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:42,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:42,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:42,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:42,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:42,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:42,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:42,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:42,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:42,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:42,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:42,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:42,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:42,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:42,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:42,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:42,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:42,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:42,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:42,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:42,843 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_70973d6a-fe81-4213-9173-5a80f1505ea3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 [2023-11-24 23:00:43,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:43,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:43,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:43,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:43,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:43,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2023-11-24 23:00:46,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:46,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:46,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2023-11-24 23:00:46,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/data/86dbdb44e/b68c418059374200bd9e4efead95384c/FLAG9ca21eeb7 [2023-11-24 23:00:46,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/data/86dbdb44e/b68c418059374200bd9e4efead95384c [2023-11-24 23:00:46,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:46,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:46,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:46,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:46,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:46,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5464334c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46, skipping insertion in model container [2023-11-24 23:00:46,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:46,800 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_70973d6a-fe81-4213-9173-5a80f1505ea3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2023-11-24 23:00:46,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:46,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:46,836 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_70973d6a-fe81-4213-9173-5a80f1505ea3/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2023-11-24 23:00:46,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:46,856 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:46,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46 WrapperNode [2023-11-24 23:00:46,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:46,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:46,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:46,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:46,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,888 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2023-11-24 23:00:46,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:46,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:46,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:46,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:46,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:46,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:46,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:46,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:46,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:46" (1/1) ... [2023-11-24 23:00:46,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:46,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:46,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:46,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70973d6a-fe81-4213-9173-5a80f1505ea3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:00:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:00:47,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:47,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:47,214 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:47,276 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:47,276 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:00:47,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:47 BoogieIcfgContainer [2023-11-24 23:00:47,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:47,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:47,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:47,293 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:47,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:47" (1/1) ... [2023-11-24 23:00:47,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 23:00:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 23:00:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:47,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:47,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:47,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:47,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:47,543 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 23:00:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:00:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:00:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:00:47,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:47,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:00:47,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:47,920 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 23:00:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-24 23:00:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 23:00:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:00:48,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:48,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:48,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:00:48,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-24 23:00:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-24 23:00:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:00:48,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:48,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:00:48,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-24 23:00:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-24 23:00:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:00:49,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:49,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:49,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:00:49,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:49,817 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 23:00:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-24 23:00:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-24 23:00:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:50,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:50,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:50,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-24 23:00:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-24 23:00:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:50,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:50,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:00:50,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2023-11-24 23:00:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2023-11-24 23:00:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:52,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:52,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:52,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:00:52,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2023-11-24 23:00:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2023-11-24 23:00:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:00:53,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:53,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:00:53,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2023-11-24 23:00:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2023-11-24 23:00:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:00:55,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:55,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:55,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:00:55,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2023-11-24 23:00:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2023-11-24 23:00:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:00:56,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:56,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:56,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:00:56,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2023-11-24 23:00:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2023-11-24 23:00:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:00:58,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:58,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:59,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 23:00:59,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-24 23:01:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-24 23:01:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:03,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:03,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:03,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:01:03,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:17,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 23:01:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 135 transitions. [2023-11-24 23:01:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 135 transitions. [2023-11-24 23:01:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:01:17,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:01:17,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:30,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 23:01:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2023-11-24 23:01:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2023-11-24 23:01:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:01:32,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:32,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:33,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:01:33,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:42,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []