./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/as2013-hybrid.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/as2013-hybrid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f4877babf2234c4d9f84af37e06b0d1c35e333b586df80a0a3a6ac5b1b8e2d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:50,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:50,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:50,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:50,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:50,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:50,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:50,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:50,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:50,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:50,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:50,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:50,275 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:50,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:50,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:50,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:50,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:50,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:50,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:50,291 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:50,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:50,292 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:50,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:50,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:50,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:50,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:50,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:50,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:50,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:50,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:50,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:50,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:50,310 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:50,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:50,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:50,311 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_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f4877babf2234c4d9f84af37e06b0d1c35e333b586df80a0a3a6ac5b1b8e2d2 [2023-11-21 18:25:50,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:50,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:50,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:50,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:50,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:50,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-lit/as2013-hybrid.i [2023-11-21 18:25:53,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:54,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:54,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/sv-benchmarks/c/loop-lit/as2013-hybrid.i [2023-11-21 18:25:54,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/data/7ef8d7aff/2438e18a9d1e4cbdb31583e3cd8964f0/FLAG906816e67 [2023-11-21 18:25:54,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/data/7ef8d7aff/2438e18a9d1e4cbdb31583e3cd8964f0 [2023-11-21 18:25:54,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:54,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:54,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:54,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:54,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:54,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db93d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54, skipping insertion in model container [2023-11-21 18:25:54,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:54,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:54,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:54,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:54,478 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:54,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54 WrapperNode [2023-11-21 18:25:54,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:54,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:54,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:54,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:54,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,521 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-21 18:25:54,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:54,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:54,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:54,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:54,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:54,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:54,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:54,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:54,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:54,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:54,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e257e0e-5204-40bb-bfda-1eeea4ce3f49/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:54,719 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:54,722 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:54,860 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:54,919 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:54,919 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:25:54,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:54 BoogieIcfgContainer [2023-11-21 18:25:54,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:54,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:54,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:54,936 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:54,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:54" (1/1) ... [2023-11-21 18:25:54,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-21 18:25:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-21 18:25:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:55,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-21 18:25:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-21 18:25:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:55,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-21 18:25:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 18:25:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:55,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-21 18:25:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-21 18:25:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:55,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-21 18:25:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-21 18:25:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:55,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-21 18:25:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-21 18:25:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:55,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-21 18:25:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-21 18:25:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:25:56,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-21 18:25:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-21 18:25:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:25:56,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:25:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 39 transitions. [2023-11-21 18:25:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-21 18:25:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:57,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 47 transitions. [2023-11-21 18:25:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-21 18:25:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:57,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:25:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 37 transitions. [2023-11-21 18:25:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-21 18:25:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:25:57,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:25:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 45 transitions. [2023-11-21 18:25:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-21 18:25:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:25:58,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:25:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 53 transitions. [2023-11-21 18:25:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-21 18:25:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:25:59,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:26:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 61 transitions. [2023-11-21 18:26:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-21 18:26:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:26:00,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:26:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 69 transitions. [2023-11-21 18:26:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-11-21 18:26:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:26:00,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 2 proven. 133 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:26:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 77 transitions. [2023-11-21 18:26:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-21 18:26:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:26:01,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 2 proven. 176 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:26:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 85 transitions. [2023-11-21 18:26:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-21 18:26:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 18:26:03,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 2 proven. 225 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:26:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 92 transitions. [2023-11-21 18:26:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-21 18:26:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-21 18:26:03,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2023-11-21 18:26:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 135 states and 176 transitions. [2023-11-21 18:26:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2023-11-21 18:26:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:26:09,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:09,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2023-11-21 18:26:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 138 states and 179 transitions. [2023-11-21 18:26:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2023-11-21 18:26:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 18:26:10,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2748 backedges. 0 proven. 628 refuted. 0 times theorem prover too weak. 2120 trivial. 0 not checked. [2023-11-21 18:26:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 200 states and 261 transitions. [2023-11-21 18:26:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2023-11-21 18:26:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-21 18:26:18,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2750 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 2120 trivial. 0 not checked. [2023-11-21 18:26:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 203 states and 264 transitions. [2023-11-21 18:26:20,543 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2023-11-21 18:26:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-11-21 18:26:20,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6258 backedges. 0 proven. 1878 refuted. 0 times theorem prover too weak. 4380 trivial. 0 not checked. [2023-11-21 18:26:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 264 states and 345 transitions. [2023-11-21 18:26:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 345 transitions. [2023-11-21 18:26:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-21 18:26:31,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6261 backedges. 0 proven. 1881 refuted. 0 times theorem prover too weak. 4380 trivial. 0 not checked. [2023-11-21 18:26:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 267 states and 348 transitions. [2023-11-21 18:26:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 348 transitions. [2023-11-21 18:26:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-11-21 18:26:33,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:33,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 11192 backedges. 0 proven. 3752 refuted. 0 times theorem prover too weak. 7440 trivial. 0 not checked.