./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/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_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:04,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:04,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:04,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:04,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:04,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:04,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:04,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:04,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:04,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:04,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:04,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:04,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:04,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:04,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:04,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:04,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:04,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:04,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:04,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:04,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:04,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:04,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:04,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:04,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:04,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:04,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:04,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:04,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:04,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:04,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:04,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:04,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:04,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:04,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:04,815 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_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2023-11-21 18:52:05,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:05,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:05,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:05,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:05,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:05,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-invgen/large_const.i [2023-11-21 18:52:08,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:09,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:09,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/sv-benchmarks/c/loop-invgen/large_const.i [2023-11-21 18:52:09,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/data/eaf973264/248aca35a79c48c59022f74f1156a07e/FLAG948722833 [2023-11-21 18:52:09,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/data/eaf973264/248aca35a79c48c59022f74f1156a07e [2023-11-21 18:52:09,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:09,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:09,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:09,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:09,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:09,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26424cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09, skipping insertion in model container [2023-11-21 18:52:09,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:09,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:09,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:09,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:09,554 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:09,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09 WrapperNode [2023-11-21 18:52:09,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:09,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:09,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:09,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:09,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,615 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-21 18:52:09,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:09,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:09,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:09,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:09,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:09,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:09,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:09,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:09,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:09" (1/1) ... [2023-11-21 18:52:09,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:09,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:09,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:09,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:09,877 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:09,880 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:10,124 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:10,182 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:10,182 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:52:10,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:10 BoogieIcfgContainer [2023-11-21 18:52:10,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:10,186 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:10,186 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:10,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:10,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:10" (1/1) ... [2023-11-21 18:52:10,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-21 18:52:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-21 18:52:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:10,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:10,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:10,674 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 18:52:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-21 18:52:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-21 18:52:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:10,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:10,862 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 18:52:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-21 18:52:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-21 18:52:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:10,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:10,970 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 18:52:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:52:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:52:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:52:11,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:11,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:11,272 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 18:52:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-11-21 18:52:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-11-21 18:52:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:11,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:11,764 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 18:52:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2023-11-21 18:52:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-11-21 18:52:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:12,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:12,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:12,538 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 18:52:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2023-11-21 18:52:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2023-11-21 18:52:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:13,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:13,828 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 18:52:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 118 transitions. [2023-11-21 18:52:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2023-11-21 18:52:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:15,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:15,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:15,356 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 18:52:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-21 18:52:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-21 18:52:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:16,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,082 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 18:52:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 81 states and 166 transitions. [2023-11-21 18:52:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 166 transitions. [2023-11-21 18:52:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:52:18,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:18,901 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 18:52:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 87 states and 187 transitions. [2023-11-21 18:52:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 187 transitions. [2023-11-21 18:52:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:19,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:19,974 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 18:52:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 90 states and 195 transitions. [2023-11-21 18:52:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 195 transitions. [2023-11-21 18:52:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:20,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:20,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:20,809 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 18:52:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 92 states and 199 transitions. [2023-11-21 18:52:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 199 transitions. [2023-11-21 18:52:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:21,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:21,434 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 18:52:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 99 states and 226 transitions. [2023-11-21 18:52:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 226 transitions. [2023-11-21 18:52:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:22,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 101 states and 230 transitions. [2023-11-21 18:52:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 230 transitions. [2023-11-21 18:52:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:23,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:23,297 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 18:52:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 104 states and 238 transitions. [2023-11-21 18:52:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 238 transitions. [2023-11-21 18:52:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:24,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:24,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:24,149 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 18:52:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 106 states and 242 transitions. [2023-11-21 18:52:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 242 transitions. [2023-11-21 18:52:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:24,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:24,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 243 transitions. [2023-11-21 18:52:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 243 transitions. [2023-11-21 18:52:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:52:24,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 108 states and 245 transitions. [2023-11-21 18:52:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 245 transitions. [2023-11-21 18:52:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:25,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:25,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 111 states and 257 transitions. [2023-11-21 18:52:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 257 transitions. [2023-11-21 18:52:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:26,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:26,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 117 states and 274 transitions. [2023-11-21 18:52:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 274 transitions. [2023-11-21 18:52:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:27,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:27,866 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 18:52:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 120 states and 282 transitions. [2023-11-21 18:52:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 282 transitions. [2023-11-21 18:52:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:28,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:28,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 126 states and 298 transitions. [2023-11-21 18:52:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 298 transitions. [2023-11-21 18:52:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:30,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:30,454 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 18:52:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2023-11-21 18:52:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2023-11-21 18:52:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:31,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2023-11-21 18:52:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-11-21 18:52:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:32,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-21 18:52:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-21 18:52:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:33,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:33,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2023-11-21 18:52:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-11-21 18:52:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:35,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2023-11-21 18:52:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2023-11-21 18:52:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:36,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:36,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2023-11-21 18:52:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2023-11-21 18:52:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:36,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:36,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2023-11-21 18:52:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2023-11-21 18:52:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:38,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:38,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2023-11-21 18:52:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2023-11-21 18:52:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:40,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2023-11-21 18:52:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2023-11-21 18:52:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:52:41,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2023-11-21 18:52:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-11-21 18:52:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:52:41,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2023-11-21 18:52:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2023-11-21 18:52:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:45,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-21 18:52:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-21 18:52:47,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:52:47,495 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2023-11-21 18:52:47,505 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-21 18:52:47,808 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-11-21 18:52:47,817 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:47,817 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2023-11-21 18:52:47,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:52:47 ImpRootNode [2023-11-21 18:52:47,820 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:52:47,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:52:47,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:52:47,821 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:52:47,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:10" (3/4) ... [2023-11-21 18:52:47,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:52:47,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-21 18:52:47,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:52:47,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:52:47,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:52:47,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:52:47,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:52:47,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:52:47,959 INFO L158 Benchmark]: Toolchain (without parser) took 38849.25ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 124.9MB in the beginning and 89.4MB in the end (delta: 35.5MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,959 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:47,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.54ms. Allocated memory is still 172.0MB. Free memory was 124.9MB in the beginning and 114.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.13ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,961 INFO L158 Benchmark]: Boogie Preprocessor took 59.80ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:47,961 INFO L158 Benchmark]: RCFGBuilder took 507.48ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 97.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,962 INFO L158 Benchmark]: CodeCheck took 37634.48ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 97.7MB in the beginning and 94.7MB in the end (delta: 3.0MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,963 INFO L158 Benchmark]: Witness Printer took 137.27ms. Allocated memory is still 299.9MB. Free memory was 94.7MB in the beginning and 89.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:52:47,965 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, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 37.3s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4936 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4419 mSDsluCounter, 6476 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5142 mSDsCounter, 2268 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14443 IncrementalHoareTripleChecker+Invalid, 16711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2268 mSolverCounterUnsat, 1334 mSDtfsCounter, 14443 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4891 GetRequests, 4324 SyntacticMatches, 115 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109514 ImplicationChecksByTransitivity, 32.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 13 PerfectInterpolantSequences, 67/111 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((k == 0) || (((k <= 10000) && (j == 0)) && (n <= 1))) || ((((j <= 1) && (k <= 9999)) && (1 <= j)) && (n <= j))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((i == 0) && (c1 <= 4000)) && (2000 <= c2)) && (4000 <= c1)) && (k == 0)) && (c3 <= 10000)) && (c2 <= 2000)) && (10000 <= c3)) || ((((1 <= i) && (n <= i)) && (k <= 10000)) && (i <= 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.54ms. Allocated memory is still 172.0MB. Free memory was 124.9MB in the beginning and 114.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.13ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.80ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 111.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.48ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 97.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 37634.48ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 97.7MB in the beginning and 94.7MB in the end (delta: 3.0MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * Witness Printer took 137.27ms. Allocated memory is still 299.9MB. Free memory was 94.7MB in the beginning and 89.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:52:48,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1349df1b-9c26-4ac0-b4b2-8a8927a6dc34/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