./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/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_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/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_e45969b8-61b6-4961-8519-28aaf9738215/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 7cd88f875a58f4eeda0acf74fa673f6c9452a00f17e8b4a3e93b35765440e39d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:41,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:42,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:19:42,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:42,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:42,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:42,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:42,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:42,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:42,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:42,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:42,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:42,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:42,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:42,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:42,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:42,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:42,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:42,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:42,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:42,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:42,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:42,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:42,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:42,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:42,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:42,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:42,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:42,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:42,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:42,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:42,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:42,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:42,114 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_e45969b8-61b6-4961-8519-28aaf9738215/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cd88f875a58f4eeda0acf74fa673f6c9452a00f17e8b4a3e93b35765440e39d [2023-11-19 03:19:42,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:42,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:42,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:42,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:42,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:42,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i [2023-11-19 03:19:45,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:45,786 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:45,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i [2023-11-19 03:19:45,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/data/0d79223f1/235b94eede5848eaa9cb73a418cc51af/FLAGd1a15b452 [2023-11-19 03:19:45,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/data/0d79223f1/235b94eede5848eaa9cb73a418cc51af [2023-11-19 03:19:45,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:45,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:45,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:45,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:45,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:45,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:45" (1/1) ... [2023-11-19 03:19:45,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b77612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:45, skipping insertion in model container [2023-11-19 03:19:45,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:45" (1/1) ... [2023-11-19 03:19:45,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:45,996 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_e45969b8-61b6-4961-8519-28aaf9738215/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i[950,963] [2023-11-19 03:19:46,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:46,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:46,034 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_e45969b8-61b6-4961-8519-28aaf9738215/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound10.i[950,963] [2023-11-19 03:19:46,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:46,057 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:46,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46 WrapperNode [2023-11-19 03:19:46,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:46,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:46,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:46,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:46,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,100 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 03:19:46,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:46,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:46,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:46,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:46,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:46,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:46,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:46,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:46,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:46,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:46,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:46,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45969b8-61b6-4961-8519-28aaf9738215/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:19:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:19:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:46,296 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:46,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:46,490 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:46,534 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:46,535 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:19:46,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:46 BoogieIcfgContainer [2023-11-19 03:19:46,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:46,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:46,542 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:46,551 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:46,552 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:19:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:19:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:46,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:46,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:46,901 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 03:19:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 03:19:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 03:19:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:46,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:19:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:47,356 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 03:19:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2023-11-19 03:19:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-19 03:19:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:19:47,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:47,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:47,923 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 03:19:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-11-19 03:19:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-19 03:19:48,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:19:48,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:19:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 52 transitions. [2023-11-19 03:19:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2023-11-19 03:19:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:19:49,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:19:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 63 transitions. [2023-11-19 03:19:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 03:19:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:19:53,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,645 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 03:20:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 78 transitions. [2023-11-19 03:20:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-19 03:20:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:20:01,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:20:01,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:05,545 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 03:20:21,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:20:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 99 transitions. [2023-11-19 03:20:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2023-11-19 03:20:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:20:23,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:24,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:20:24,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.