./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i --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_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/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_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/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_7dd308b6-7961-4737-bd7c-cb78728c82ec/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 7e073a4c36b82f2b6062e496bb836cd3d16667ec7228f4ab2b6689e74fa81265 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:54,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:54,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:54,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:54,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:54,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:54,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:54,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:54,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:54,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:54,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:54,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:54,517 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:54,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:54,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:54,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:54,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:54,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:54,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:54,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:54,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:54,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:54,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:54,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:54,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:54,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:54,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:54,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:54,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:54,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:54,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:54,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:54,530 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:54,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:54,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:54,531 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_7dd308b6-7961-4737-bd7c-cb78728c82ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e073a4c36b82f2b6062e496bb836cd3d16667ec7228f4ab2b6689e74fa81265 [2023-11-21 18:49:54,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:54,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:54,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:54,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:54,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:54,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i [2023-11-21 18:49:58,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:58,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:58,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i [2023-11-21 18:49:58,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/data/754cde218/a105b5ee57d24f31b4968aeb588bf483/FLAG469e70465 [2023-11-21 18:49:58,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/data/754cde218/a105b5ee57d24f31b4968aeb588bf483 [2023-11-21 18:49:58,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:58,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:58,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:58,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:58,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:58,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49783ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58, skipping insertion in model container [2023-11-21 18:49:58,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:58,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:58,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:58,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:58,865 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:58,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58 WrapperNode [2023-11-21 18:49:58,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:58,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:58,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:58,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:58,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,908 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-21 18:49:58,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:58,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:58,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:58,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:58,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:58,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:58,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:58,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:58,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:58,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:58,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:59,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd308b6-7961-4737-bd7c-cb78728c82ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:49:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:49:59,110 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:59,112 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:59,322 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:59,397 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:59,398 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:49:59,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:59 BoogieIcfgContainer [2023-11-21 18:49:59,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:59,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:59,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:59,418 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:59,419 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:59" (1/1) ... [2023-11-21 18:49:59,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-21 18:49:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-21 18:49:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:49:59,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,803 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 18:49:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-21 18:49:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-21 18:49:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:49:59,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,115 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 18:50:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-21 18:50:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:50:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:00,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,299 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 18:50:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-21 18:50:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-21 18:50:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:00,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,542 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 18:50:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-21 18:50:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-21 18:50:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:00,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-21 18:50:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-21 18:50:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:00,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,119 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 18:50:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-21 18:50:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-21 18:50:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:01,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-21 18:50:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-21 18:50:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:01,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-21 18:50:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-21 18:50:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:01,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-21 18:50:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-21 18:50:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:02,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-21 18:50:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-21 18:50:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:02,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-21 18:50:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-21 18:50:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:02,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:02,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-21 18:50:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-21 18:50:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:50:03,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:03,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-21 18:50:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-21 18:50:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:50:03,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-21 18:50:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-21 18:50:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:03,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-21 18:50:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-21 18:50:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:04,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-21 18:50:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-21 18:50:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:04,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-21 18:50:05,133 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-21 18:50:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:05,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:05,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:05,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-21 18:50:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-21 18:50:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:05,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-21 18:50:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-21 18:50:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:50:05,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-21 18:50:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-21 18:50:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:06,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-21 18:50:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-21 18:50:06,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:06,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-21 18:50:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-21 18:50:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:07,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:07,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2023-11-21 18:50:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2023-11-21 18:50:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:08,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2023-11-21 18:50:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2023-11-21 18:50:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:08,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2023-11-21 18:50:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2023-11-21 18:50:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:09,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 94 states and 139 transitions. [2023-11-21 18:50:10,571 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2023-11-21 18:50:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:10,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2023-11-21 18:50:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-21 18:50:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:50:10,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2023-11-21 18:50:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2023-11-21 18:50:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:50:11,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 163 transitions. [2023-11-21 18:50:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 163 transitions. [2023-11-21 18:50:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:50:11,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 106 states and 157 transitions. [2023-11-21 18:50:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-21 18:50:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:50:12,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2023-11-21 18:50:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-11-21 18:50:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:50:13,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-21 18:50:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-21 18:50:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:50:13,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2023-11-21 18:50:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2023-11-21 18:50:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:50:13,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 111 states and 164 transitions. [2023-11-21 18:50:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-11-21 18:50:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:14,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 167 transitions. [2023-11-21 18:50:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2023-11-21 18:50:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:15,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-21 18:50:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-21 18:50:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:16,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 120 states and 178 transitions. [2023-11-21 18:50:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 178 transitions. [2023-11-21 18:50:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:16,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 121 states and 187 transitions. [2023-11-21 18:50:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 187 transitions. [2023-11-21 18:50:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:50:17,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 129 states and 202 transitions. [2023-11-21 18:50:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 202 transitions. [2023-11-21 18:50:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:18,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2023-11-21 18:50:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2023-11-21 18:50:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:50:19,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 130 states and 197 transitions. [2023-11-21 18:50:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2023-11-21 18:50:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:50:20,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-11-21 18:50:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-11-21 18:50:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:50:21,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 134 states and 210 transitions. [2023-11-21 18:50:21,542 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-21 18:50:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:21,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 134 states and 201 transitions. [2023-11-21 18:50:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-11-21 18:50:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:50:22,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 135 states and 204 transitions. [2023-11-21 18:50:23,905 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 204 transitions. [2023-11-21 18:50:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:50:23,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 138 states and 207 transitions. [2023-11-21 18:50:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 207 transitions. [2023-11-21 18:50:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:50:24,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:50:24,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 71 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-21 18:50:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-21 18:50:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:50:25,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 147 states and 232 transitions. [2023-11-21 18:50:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 232 transitions. [2023-11-21 18:50:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:50:25,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2023-11-21 18:50:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2023-11-21 18:50:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:50:27,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-11-21 18:50:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-11-21 18:50:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:50:28,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2023-11-21 18:50:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2023-11-21 18:50:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:50:28,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:28,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2023-11-21 18:50:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2023-11-21 18:50:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:50:29,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 245 transitions. [2023-11-21 18:50:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 245 transitions. [2023-11-21 18:50:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:50:29,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 155 states and 234 transitions. [2023-11-21 18:50:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2023-11-21 18:50:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:50:31,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:31,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:31,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 160 states and 242 transitions. [2023-11-21 18:50:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2023-11-21 18:50:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:50:31,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 161 states and 245 transitions. [2023-11-21 18:50:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2023-11-21 18:50:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:50:32,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2023-11-21 18:50:33,543 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2023-11-21 18:50:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:50:33,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:33,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2023-11-21 18:50:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2023-11-21 18:50:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:50:34,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 168 states and 266 transitions. [2023-11-21 18:50:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 266 transitions. [2023-11-21 18:50:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:50:34,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2023-11-21 18:50:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2023-11-21 18:50:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:50:36,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:50:36,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 12 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 176 states and 269 transitions. [2023-11-21 18:50:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 269 transitions. [2023-11-21 18:50:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:50:37,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 272 transitions. [2023-11-21 18:50:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-21 18:50:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:50:39,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat