./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/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_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/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 64bit --witnessprinter.graph.data.programhash 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:50,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:50,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:35:50,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:50,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:50,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:50,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:50,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:50,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:50,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:50,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:50,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:50,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:50,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:50,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:50,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:50,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:50,997 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:50,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:50,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:51,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:51,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:51,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:51,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:51,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:51,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:51,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:51,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:51,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:51,006 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:51,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:51,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:51,007 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_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff [2023-11-21 18:35:51,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:51,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:51,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:51,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:51,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:51,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2023-11-21 18:35:54,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:54,995 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:55,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2023-11-21 18:35:55,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/data/8ed7bacc7/85302ef58b1c46daadd9377fbd868d97/FLAG60810d797 [2023-11-21 18:35:55,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/data/8ed7bacc7/85302ef58b1c46daadd9377fbd868d97 [2023-11-21 18:35:55,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:55,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:55,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:55,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:55,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:55,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87e1439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55, skipping insertion in model container [2023-11-21 18:35:55,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:55,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:55,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:55,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:55,563 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:55,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55 WrapperNode [2023-11-21 18:35:55,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:55,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:55,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:55,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:55,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,607 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:35:55,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:55,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:55,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:55,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:55,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:55,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:55,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:55,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:55,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:55" (1/1) ... [2023-11-21 18:35:55,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:55,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:55,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b555c9d1-9ac4-45e6-9a68-56e2fe71c8ab/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:35:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:35:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:35:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:35:55,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:55,834 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:55,836 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:56,017 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:56,077 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:56,078 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:35:56,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:56 BoogieIcfgContainer [2023-11-21 18:35:56,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:56,080 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:56,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:56,091 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:56,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:56" (1/1) ... [2023-11-21 18:35:56,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-21 18:35:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-21 18:35:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:35:56,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:56,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-21 18:35:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-21 18:35:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:35:56,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-11-21 18:35:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:35:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:57,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:57,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2023-11-21 18:35:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-21 18:35:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:58,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-21 18:35:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-21 18:35:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:58,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-21 18:35:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-21 18:35:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:35:59,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2023-11-21 18:36:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-21 18:36:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:36:00,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:01,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2023-11-21 18:36:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2023-11-21 18:36:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:01,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2023-11-21 18:36:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-11-21 18:36:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:03,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 100 transitions. [2023-11-21 18:36:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2023-11-21 18:36:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:05,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2023-11-21 18:36:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2023-11-21 18:36:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:07,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2023-11-21 18:36:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2023-11-21 18:36:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:08,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 125 transitions. [2023-11-21 18:36:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 125 transitions. [2023-11-21 18:36:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:10,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2023-11-21 18:36:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2023-11-21 18:36:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:13,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2023-11-21 18:36:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2023-11-21 18:36:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:16,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 80 states and 166 transitions. [2023-11-21 18:36:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2023-11-21 18:36:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:22,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 82 states and 168 transitions. [2023-11-21 18:36:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 168 transitions. [2023-11-21 18:36:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:24,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 186 transitions. [2023-11-21 18:36:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2023-11-21 18:36:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:31,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 97 states and 200 transitions. [2023-11-21 18:36:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 200 transitions. [2023-11-21 18:36:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:40,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 99 states and 203 transitions. [2023-11-21 18:36:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2023-11-21 18:36:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:45,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat