./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/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_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/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_5a72d2b4-e70d-470d-8526-72fe1ff1e706/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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:45,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:45,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:29:45,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:45,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:45,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:45,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:45,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:45,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:45,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:45,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:45,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:45,269 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:45,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:45,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:45,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:45,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:45,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:45,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:45,274 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:45,274 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:45,275 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:45,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:45,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:45,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:45,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:45,277 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:45,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:45,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:45,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:45,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:45,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:45,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:45,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:45,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:45,281 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_5a72d2b4-e70d-470d-8526-72fe1ff1e706/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2023-11-21 18:29:45,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:45,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:45,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:45,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:45,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:45,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-21 18:29:48,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:48,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:48,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-21 18:29:49,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/data/4bf37eaa9/a684eda0ba2b4c32b6bea76665b13049/FLAG859e35f71 [2023-11-21 18:29:49,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/data/4bf37eaa9/a684eda0ba2b4c32b6bea76665b13049 [2023-11-21 18:29:49,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:49,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:49,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:49,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:49,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:49,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d89bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49, skipping insertion in model container [2023-11-21 18:29:49,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:49,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:49,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:49,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:49,345 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:49,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49 WrapperNode [2023-11-21 18:29:49,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:49,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:49,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:49,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:49,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,387 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:29:49,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:49,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:49,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:49,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:49,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:49,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:49,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:49,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:49,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:49,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:49,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:49,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:29:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:29:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:29:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:29:49,585 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:49,587 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:49,922 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:49,972 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:49,972 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:29:49,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:49 BoogieIcfgContainer [2023-11-21 18:29:49,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:49,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:49,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:49,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:49,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:29:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:29:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:29:50,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-21 18:29:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-21 18:29:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:29:50,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-21 18:29:50,821 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-21 18:29:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:29:50,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:50,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-21 18:29:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-21 18:29:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:29:51,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-21 18:29:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-21 18:29:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:29:51,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-21 18:29:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-21 18:29:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:29:51,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-21 18:29:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-21 18:29:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:29:52,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:29:52,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-21 18:29:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-21 18:29:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:29:52,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:29:52,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:52,971 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 18:29:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-21 18:29:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-21 18:29:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:29:53,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:29:53,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-21 18:29:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-21 18:29:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:29:53,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:29:53,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-21 18:29:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-21 18:29:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:29:54,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:54,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:54,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:29:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-21 18:29:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-21 18:29:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:29:56,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:29:56,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 96 states and 172 transitions. [2023-11-21 18:29:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 172 transitions. [2023-11-21 18:29:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:29:58,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:58,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:58,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:29:58,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 96 states and 169 transitions. [2023-11-21 18:29:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2023-11-21 18:29:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:29:59,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:29:59,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 178 transitions. [2023-11-21 18:30:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2023-11-21 18:30:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:30:00,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:00,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:00,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:30:00,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 105 states and 194 transitions. [2023-11-21 18:30:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2023-11-21 18:30:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:30:01,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:01,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:01,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:30:01,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 111 states and 205 transitions. [2023-11-21 18:30:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2023-11-21 18:30:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:30:03,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:03,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:03,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:30:03,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 115 states and 214 transitions. [2023-11-21 18:30:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 214 transitions. [2023-11-21 18:30:04,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:30:04,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:04,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:04,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 123 states and 221 transitions. [2023-11-21 18:30:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2023-11-21 18:30:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:30:06,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:06,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:06,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 217 transitions. [2023-11-21 18:30:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2023-11-21 18:30:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:07,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:07,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:07,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:07,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 229 transitions. [2023-11-21 18:30:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2023-11-21 18:30:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:08,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:30:08,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 249 transitions. [2023-11-21 18:30:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 249 transitions. [2023-11-21 18:30:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:10,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:10,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:10,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:30:10,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:11,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 137 states and 257 transitions. [2023-11-21 18:30:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 257 transitions. [2023-11-21 18:30:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:11,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:11,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:11,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:11,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 139 states and 260 transitions. [2023-11-21 18:30:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 260 transitions. [2023-11-21 18:30:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:30:12,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:12,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:12,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:12,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 145 states and 266 transitions. [2023-11-21 18:30:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 266 transitions. [2023-11-21 18:30:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:30:13,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:13,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:30:13,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 149 states and 270 transitions. [2023-11-21 18:30:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2023-11-21 18:30:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:30:14,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:14,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:14,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:14,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 150 states and 271 transitions. [2023-11-21 18:30:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2023-11-21 18:30:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:30:14,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:14,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:14,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:14,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 150 states and 266 transitions. [2023-11-21 18:30:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2023-11-21 18:30:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:30:15,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:15,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:15,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:15,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 261 transitions. [2023-11-21 18:30:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2023-11-21 18:30:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:16,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:30:16,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 271 transitions. [2023-11-21 18:30:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2023-11-21 18:30:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:17,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:17,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:17,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:30:17,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 276 transitions. [2023-11-21 18:30:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2023-11-21 18:30:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:19,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:30:19,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 166 states and 291 transitions. [2023-11-21 18:30:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2023-11-21 18:30:20,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:20,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:20,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 164 states and 282 transitions. [2023-11-21 18:30:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2023-11-21 18:30:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:30:21,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:21,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:30:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 164 states and 276 transitions. [2023-11-21 18:30:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 276 transitions. [2023-11-21 18:30:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:30:22,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:22,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-21 18:30:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 123 states and 198 transitions. [2023-11-21 18:30:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-21 18:30:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:23,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:23,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:30:23,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 135 states and 213 transitions. [2023-11-21 18:30:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 213 transitions. [2023-11-21 18:30:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:26,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:26,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:30:26,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 139 states and 217 transitions. [2023-11-21 18:30:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 217 transitions. [2023-11-21 18:30:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:28,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:28,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:30:28,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 143 states and 221 transitions. [2023-11-21 18:30:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 221 transitions. [2023-11-21 18:30:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:30:29,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:29,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:29,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 132 states and 207 transitions. [2023-11-21 18:30:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2023-11-21 18:30:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:30:30,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:30,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:30,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:30:30,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 134 states and 213 transitions. [2023-11-21 18:30:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-21 18:30:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:30:31,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:31,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:30:31,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 117 states and 187 transitions. [2023-11-21 18:30:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2023-11-21 18:30:32,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:30:32,430 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 41 iterations. [2023-11-21 18:30:32,441 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:30:32,905 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:32,910 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:32,913 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:32,913 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:32,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:30:32 ImpRootNode [2023-11-21 18:30:32,915 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:30:32,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:30:32,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:30:32,916 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:30:32,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:49" (3/4) ... [2023-11-21 18:30:32,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:30:32,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 18:30:32,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:30:32,934 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 18:30:32,935 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:30:32,935 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:30:32,936 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:30:32,936 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:30:33,081 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:30:33,082 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:30:33,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:30:33,083 INFO L158 Benchmark]: Toolchain (without parser) took 44049.35ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 123.1MB in the beginning and 208.5MB in the end (delta: -85.4MB). Peak memory consumption was 177.8MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,083 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:33,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.46ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 112.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.40ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:33,084 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,085 INFO L158 Benchmark]: RCFGBuilder took 558.78ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 93.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,085 INFO L158 Benchmark]: CodeCheck took 42939.30ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 93.8MB in the beginning and 212.7MB in the end (delta: -118.9MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,086 INFO L158 Benchmark]: Witness Printer took 166.68ms. Allocated memory is still 427.8MB. Free memory was 212.7MB in the beginning and 208.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:33,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 42.4s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8680 SdHoareTripleChecker+Valid, 49.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6253 mSDsluCounter, 7689 SdHoareTripleChecker+Invalid, 40.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4262 mSDsCounter, 7920 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24440 IncrementalHoareTripleChecker+Invalid, 32360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7920 mSolverCounterUnsat, 3427 mSDtfsCounter, 24440 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18126 GetRequests, 16367 SyntacticMatches, 1369 SemanticMatches, 390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93049 ImplicationChecksByTransitivity, 33.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1868 NumberOfCodeBlocks, 1868 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1828 ConstructedInterpolants, 0 QuantifiedInterpolants, 4962 SizeOfPredicates, 284 NumberOfNonLiveVariables, 5699 ConjunctsInSsa, 372 ConjunctsInUnsatCore, 40 InterpolantComputations, 16 PerfectInterpolantSequences, 931/1590 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.46ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 112.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.40ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.78ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 93.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 42939.30ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 93.8MB in the beginning and 212.7MB in the end (delta: -118.9MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. * Witness Printer took 166.68ms. Allocated memory is still 427.8MB. Free memory was 212.7MB in the beginning and 208.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:30:33,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a72d2b4-e70d-470d-8526-72fe1ff1e706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE