./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/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_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/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_04cc3f4e-b541-481b-b8ef-566e941d27c8/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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:56,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:56,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:43:56,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:56,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:56,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:56,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:56,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:56,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:56,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:56,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:56,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:56,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:56,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:56,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:56,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:56,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:56,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:56,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:56,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:56,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:56,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:56,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:56,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:56,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:56,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:56,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:56,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:56,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:56,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:56,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:56,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:56,623 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_04cc3f4e-b541-481b-b8ef-566e941d27c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2023-11-21 18:43:56,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:56,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:56,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:56,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:56,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:56,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2023-11-21 18:44:00,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:00,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:00,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2023-11-21 18:44:00,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/data/decccb3dd/d70f70d717a14369b19fd5662ca4c5aa/FLAG4efae3441 [2023-11-21 18:44:00,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/data/decccb3dd/d70f70d717a14369b19fd5662ca4c5aa [2023-11-21 18:44:00,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:00,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:00,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:00,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:00,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:00,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:00" (1/1) ... [2023-11-21 18:44:00,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9f4605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:00, skipping insertion in model container [2023-11-21 18:44:00,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:00" (1/1) ... [2023-11-21 18:44:00,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:01,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:01,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:01,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:01,078 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:01,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01 WrapperNode [2023-11-21 18:44:01,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:01,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:01,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:01,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:01,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,123 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-11-21 18:44:01,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:01,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:01,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:01,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:01,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:01,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:01,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:01,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:01,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:01,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:01,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:01,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:01,399 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:01,402 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:01,554 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:01,587 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:01,589 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:44:01,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:01 BoogieIcfgContainer [2023-11-21 18:44:01,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:01,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:01,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:01,606 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:01,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:44:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:44:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:44:01,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,002 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 18:44:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 18:44:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:44:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:44:02,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,255 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 18:44:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-21 18:44:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-21 18:44:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:44:02,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,584 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 18:44:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-21 18:44:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-21 18:44:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:44:02,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,668 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 18:44:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-21 18:44:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-21 18:44:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:02,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,805 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 18:44:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-21 18:44:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-21 18:44:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:03,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,391 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 18:44:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2023-11-21 18:44:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2023-11-21 18:44:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:44:03,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,971 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 18:44:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-21 18:44:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:44:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:44:04,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2023-11-21 18:44:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-11-21 18:44:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:44:05,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,260 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 18:44:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2023-11-21 18:44:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2023-11-21 18:44:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:44:06,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,621 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 18:44:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2023-11-21 18:44:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2023-11-21 18:44:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:07,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,117 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 18:44:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2023-11-21 18:44:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2023-11-21 18:44:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:07,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,775 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 18:44:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2023-11-21 18:44:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2023-11-21 18:44:08,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:08,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,114 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 18:44:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2023-11-21 18:44:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-21 18:44:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:08,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,640 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 18:44:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2023-11-21 18:44:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-11-21 18:44:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:44:10,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 73 states and 116 transitions. [2023-11-21 18:44:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-21 18:44:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:11,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,722 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 18:44:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2023-11-21 18:44:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-21 18:44:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:11,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,117 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 18:44:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 72 states and 118 transitions. [2023-11-21 18:44:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 118 transitions. [2023-11-21 18:44:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:44:12,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-11-21 18:44:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-11-21 18:44:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:14,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,448 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 18:44:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 84 states and 141 transitions. [2023-11-21 18:44:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2023-11-21 18:44:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:15,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:44:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 140 transitions. [2023-11-21 18:44:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2023-11-21 18:44:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:15,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:44:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2023-11-21 18:44:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2023-11-21 18:44:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:16,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 86 states and 140 transitions. [2023-11-21 18:44:16,405 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2023-11-21 18:44:16,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:16,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 157 transitions. [2023-11-21 18:44:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 157 transitions. [2023-11-21 18:44:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:44:19,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:44:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-21 18:44:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-21 18:44:19,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:44:19,507 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-21 18:44:19,517 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:44:19,693 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-21 18:44:19,702 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:44:19,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:44:19 ImpRootNode [2023-11-21 18:44:19,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:44:19,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:44:19,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:44:19,704 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:44:19,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:01" (3/4) ... [2023-11-21 18:44:19,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:44:19,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:44:19,725 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:44:19,725 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 18:44:19,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:44:19,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:44:19,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:44:19,859 INFO L158 Benchmark]: Toolchain (without parser) took 19127.49ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 113.1MB in the beginning and 153.8MB in the end (delta: -40.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,860 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:19,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.37ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 103.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.25ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:19,862 INFO L158 Benchmark]: Boogie Preprocessor took 42.53ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 101.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,862 INFO L158 Benchmark]: RCFGBuilder took 423.67ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 91.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,863 INFO L158 Benchmark]: CodeCheck took 18109.39ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 90.8MB in the beginning and 158.0MB in the end (delta: -67.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,864 INFO L158 Benchmark]: Witness Printer took 155.25ms. Allocated memory is still 226.5MB. Free memory was 158.0MB in the beginning and 153.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:44:19,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 17.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2439 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2158 mSDsluCounter, 1303 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 845 mSDsCounter, 1067 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6388 IncrementalHoareTripleChecker+Invalid, 7455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1067 mSolverCounterUnsat, 458 mSDtfsCounter, 6388 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2790 GetRequests, 2442 SyntacticMatches, 98 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30403 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 22 PerfectInterpolantSequences, 49/56 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((0 <= x) && (x <= 2147483647)) && (0 <= y)) && (y <= 2147483647)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.37ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 103.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.25ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.53ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 101.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.67ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 91.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 18109.39ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 90.8MB in the beginning and 158.0MB in the end (delta: -67.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 155.25ms. Allocated memory is still 226.5MB. Free memory was 158.0MB in the beginning and 153.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:44:19,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cc3f4e-b541-481b-b8ef-566e941d27c8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE