./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD-1.c --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_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/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_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/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_35429292-058a-4fe3-a738-c06ebb2260a8/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 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:50,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:50,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:34:50,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:50,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:50,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:50,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:50,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:50,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:50,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:50,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:50,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:50,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:50,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:50,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:50,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:50,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:50,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:50,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:50,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:50,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:50,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:50,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:50,614 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:50,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:50,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:50,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:50,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:50,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:50,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:50,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:50,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:50,618 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_35429292-058a-4fe3-a738-c06ebb2260a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 [2023-11-21 18:34:50,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:50,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:50,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:50,993 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:50,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:50,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-restricted-15/GCD-1.c [2023-11-21 18:34:54,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:54,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:54,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/sv-benchmarks/c/termination-restricted-15/GCD-1.c [2023-11-21 18:34:54,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/data/539c7c506/544cea8bc3ac4ae2ada5a7171873a128/FLAG1988fee1d [2023-11-21 18:34:54,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/data/539c7c506/544cea8bc3ac4ae2ada5a7171873a128 [2023-11-21 18:34:54,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:54,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:54,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:54,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:54,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:54,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2090ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54, skipping insertion in model container [2023-11-21 18:34:54,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:54,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:54,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:54,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:54,685 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:54,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54 WrapperNode [2023-11-21 18:34:54,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:54,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:54,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:54,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:54,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,721 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-11-21 18:34:54,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:54,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:54,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:54,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:54,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:54,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:54,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:54,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:54,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:54" (1/1) ... [2023-11-21 18:34:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:54,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:54,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35429292-058a-4fe3-a738-c06ebb2260a8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:54,926 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:54,929 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:55,043 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:55,081 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:55,081 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:34:55,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:55 BoogieIcfgContainer [2023-11-21 18:34:55,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:55,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:55,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:55,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:55,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:55" (1/1) ... [2023-11-21 18:34:55,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-21 18:34:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-21 18:34:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:55,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,350 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 18:34:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-21 18:34:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-21 18:34:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:55,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,514 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 18:34:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-21 18:34:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-21 18:34:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:34:55,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-21 18:34:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-21 18:34:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:34:56,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2023-11-21 18:34:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2023-11-21 18:34:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:56,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2023-11-21 18:34:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2023-11-21 18:34:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:57,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:57,743 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 18:34:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 62 transitions. [2023-11-21 18:34:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 62 transitions. [2023-11-21 18:34:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:58,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 31 states and 70 transitions. [2023-11-21 18:34:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 70 transitions. [2023-11-21 18:34:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:59,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:59,611 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 18:34:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 32 states and 73 transitions. [2023-11-21 18:34:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 73 transitions. [2023-11-21 18:34:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:59,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 33 states and 77 transitions. [2023-11-21 18:35:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 77 transitions. [2023-11-21 18:35:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:35:00,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2023-11-21 18:35:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2023-11-21 18:35:01,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:35:01,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:01,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 100 transitions. [2023-11-21 18:35:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 100 transitions. [2023-11-21 18:35:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:35:04,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 42 states and 112 transitions. [2023-11-21 18:35:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 112 transitions. [2023-11-21 18:35:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:35:06,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:06,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 124 transitions. [2023-11-21 18:35:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 124 transitions. [2023-11-21 18:35:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:35:09,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:35:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 47 states and 125 transitions. [2023-11-21 18:35:10,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 125 transitions. [2023-11-21 18:35:10,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:10,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:10,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2023-11-21 18:35:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2023-11-21 18:35:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:13,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 53 states and 145 transitions. [2023-11-21 18:35:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 145 transitions. [2023-11-21 18:35:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:17,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 56 states and 154 transitions. [2023-11-21 18:35:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 154 transitions. [2023-11-21 18:35:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:21,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 58 states and 155 transitions. [2023-11-21 18:35:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 155 transitions. [2023-11-21 18:35:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:22,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 61 states and 167 transitions. [2023-11-21 18:35:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 167 transitions. [2023-11-21 18:35:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:28,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 64 states and 176 transitions. [2023-11-21 18:35:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 176 transitions. [2023-11-21 18:35:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:33,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 189 transitions. [2023-11-21 18:35:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 189 transitions. [2023-11-21 18:35:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:39,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 70 states and 198 transitions. [2023-11-21 18:35:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 198 transitions. [2023-11-21 18:35:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:35:45,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.