./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d02047a3b9d197f6609f19d430d458b8d82d1972f1adb7857eb26188e13a592b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:18,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:18,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:14:18,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:18,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:18,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:18,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:18,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:18,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:18,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:18,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:18,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:18,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:18,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:18,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:18,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:18,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:18,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:18,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:18,985 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:18,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:18,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:18,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:18,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:18,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:18,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:18,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:18,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:18,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:18,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:18,992 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:18,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:18,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:18,992 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_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d02047a3b9d197f6609f19d430d458b8d82d1972f1adb7857eb26188e13a592b [2023-11-19 03:14:19,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:19,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:19,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:19,355 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:19,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:19,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i [2023-11-19 03:14:22,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:22,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:22,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i [2023-11-19 03:14:22,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/data/61b5520da/4e080b774b9f4255aa9d8639eca8f776/FLAGc68f4a106 [2023-11-19 03:14:22,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/data/61b5520da/4e080b774b9f4255aa9d8639eca8f776 [2023-11-19 03:14:22,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:22,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:22,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:22,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:22,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:22,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e395f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22, skipping insertion in model container [2023-11-19 03:14:22,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:22,758 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_c5ba8e5a-e780-4429-8f52-2763d468f0ae/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i[950,963] [2023-11-19 03:14:22,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:22,783 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:22,795 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_c5ba8e5a-e780-4429-8f52-2763d468f0ae/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound5.i[950,963] [2023-11-19 03:14:22,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:22,815 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:22,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22 WrapperNode [2023-11-19 03:14:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:22,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:22,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:22,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:22,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,852 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 03:14:22,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:22,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:22,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:22,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:22,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:22,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:22,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:22,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:22,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:22" (1/1) ... [2023-11-19 03:14:22,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:22,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:22,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:22,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ba8e5a-e780-4429-8f52-2763d468f0ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:14:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:14:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:14:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:14:23,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:23,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:23,218 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:23,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:23,262 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:14:23,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:23 BoogieIcfgContainer [2023-11-19 03:14:23,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:23,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:23,270 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:23,281 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:23,281 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:23" (1/1) ... [2023-11-19 03:14:23,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:14:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:14:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:14:23,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:23,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:23,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 03:14:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 03:14:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:14:23,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:23,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:23,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:14:23,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:14:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2023-11-19 03:14:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-19 03:14:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:14:24,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:24,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:24,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:14:24,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-11-19 03:14:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-19 03:14:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:14:24,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:24,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:24,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 53 transitions. [2023-11-19 03:14:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 03:14:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:14:25,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:25,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:25,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:14:25,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:14:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 63 transitions. [2023-11-19 03:14:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 03:14:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:28,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:28,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:28,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:14:28,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 82 transitions. [2023-11-19 03:14:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-11-19 03:14:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:14:32,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 03:14:33,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:14:50,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:14:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:14:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:14:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:14:51,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:51,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:51,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:14:51,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:14:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:14:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:14:54,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:54,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:55,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:14:55,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:14:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:14:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:14:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:14:57,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:57,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:57,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:14:57,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:14:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:14:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:14:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:14:59,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:59,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:00,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:15:00,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:15:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:15:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:15:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:02,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:02,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:15:02,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:15:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:15:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:15:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:04,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:04,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:05,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:15:05,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:15:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:15:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:15:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:07,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,635 WARN L260 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:15:07,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:15:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:15:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:15:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:09,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:15:10,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:15:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 104 transitions. [2023-11-19 03:15:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-19 03:15:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:12,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:13,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:15:13,266 INFO L285 TraceCheckSpWp]: Computing forward predicates...