./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum04-2.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_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/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_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/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_5c818f01-627d-4e46-b215-588d3f6e4222/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 aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:36,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:36,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:36,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:36,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:36,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:36,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:36,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:36,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:36,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:36,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:36,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:36,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:36,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:36,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:36,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:36,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:36,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:36,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:36,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:36,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:36,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:36,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:36,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:36,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:36,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:36,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:36,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:36,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:36,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:36,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:36,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:36,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:36,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:36,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:36,775 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_5c818f01-627d-4e46-b215-588d3f6e4222/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 [2023-11-21 18:37:37,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:37,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:37,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:37,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:37,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:37,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loops/sum04-2.i [2023-11-21 18:37:40,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:40,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:40,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/sv-benchmarks/c/loops/sum04-2.i [2023-11-21 18:37:40,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/data/3994c38ad/ed358976421b49ef8e2f5ce796f78fb3/FLAG9e9b2b4cc [2023-11-21 18:37:40,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/data/3994c38ad/ed358976421b49ef8e2f5ce796f78fb3 [2023-11-21 18:37:40,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:40,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:40,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:40,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:40,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:40,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f404eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40, skipping insertion in model container [2023-11-21 18:37:40,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:40,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:40,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:40,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:40,847 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:40,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40 WrapperNode [2023-11-21 18:37:40,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:40,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:40,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:40,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:40,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,883 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-11-21 18:37:40,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:40,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:40,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:40,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:40,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:40,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:40,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:40,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:40,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:40,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:40,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:40,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:41,045 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:41,047 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:41,150 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:41,209 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:41,211 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:37:41,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:41 BoogieIcfgContainer [2023-11-21 18:37:41,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:41,214 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:41,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:41,228 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:41,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:41" (1/1) ... [2023-11-21 18:37:41,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-21 18:37:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-21 18:37:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:37:41,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,519 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 18:37:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:37:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:37:41,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:41,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:37:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:37:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:37:41,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,811 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 18:37:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:37:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:37:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:41,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,060 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 18:37:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-21 18:37:42,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-21 18:37:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:42,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,164 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 18:37:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-21 18:37:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-21 18:37:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:42,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,417 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 18:37:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-21 18:37:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-21 18:37:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:37:42,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-21 18:37:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-21 18:37:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:37:43,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:37:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-21 18:37:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-21 18:37:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:43,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:37:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:37:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:44,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:44,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2023-11-21 18:37:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2023-11-21 18:37:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:44,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:44,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-21 18:37:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-21 18:37:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:45,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-21 18:37:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-21 18:37:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:45,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2023-11-21 18:37:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2023-11-21 18:37:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:45,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:37:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2023-11-21 18:37:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2023-11-21 18:37:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:46,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:37:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2023-11-21 18:37:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2023-11-21 18:37:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:46,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:37:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2023-11-21 18:37:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2023-11-21 18:37:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:37:46,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2023-11-21 18:37:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2023-11-21 18:37:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:46,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-21 18:37:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-21 18:37:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:47,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:47,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:37:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2023-11-21 18:37:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-11-21 18:37:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:37:47,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:47,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2023-11-21 18:37:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2023-11-21 18:37:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:48,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,774 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2023-11-21 18:37:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-21 18:37:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:49,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 18:37:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2023-11-21 18:37:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-21 18:37:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:49,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:49,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2023-11-21 18:37:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-21 18:37:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:37:50,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2023-11-21 18:37:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2023-11-21 18:37:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:51,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-21 18:37:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 126 transitions. [2023-11-21 18:37:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2023-11-21 18:37:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:51,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2023-11-21 18:37:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2023-11-21 18:37:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:52,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2023-11-21 18:37:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2023-11-21 18:37:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:53,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-21 18:37:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 141 transitions. [2023-11-21 18:37:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2023-11-21 18:37:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:37:53,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 152 transitions. [2023-11-21 18:37:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-21 18:37:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:37:54,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 99 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2023-11-21 18:37:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2023-11-21 18:37:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:37:55,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-21 18:37:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2023-11-21 18:37:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-11-21 18:37:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:55,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-11-21 18:37:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-11-21 18:37:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:56,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2023-11-21 18:37:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2023-11-21 18:37:57,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:37:57,642 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2023-11-21 18:37:57,652 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:37:58,049 INFO L560 CodeCheckObserver]: Invariant with dag size 56 [2023-11-21 18:37:58,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:37:58 ImpRootNode [2023-11-21 18:37:58,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:37:58,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:37:58,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:37:58,060 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:37:58,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:41" (3/4) ... [2023-11-21 18:37:58,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:37:58,069 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 18:37:58,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:37:58,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:37:58,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:37:58,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:37:58,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:37:58,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:37:58,158 INFO L158 Benchmark]: Toolchain (without parser) took 17562.82ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 116.2MB in the beginning and 109.9MB in the end (delta: 6.3MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,159 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:58,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.51ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 106.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.36ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,160 INFO L158 Benchmark]: Boogie Preprocessor took 20.64ms. Allocated memory is still 146.8MB. Free memory was 104.5MB in the beginning and 103.7MB in the end (delta: 787.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:58,161 INFO L158 Benchmark]: RCFGBuilder took 307.95ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 92.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,161 INFO L158 Benchmark]: CodeCheck took 16845.05ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 91.9MB in the beginning and 114.1MB in the end (delta: -22.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,162 INFO L158 Benchmark]: Witness Printer took 97.96ms. Allocated memory is still 213.9MB. Free memory was 114.1MB in the beginning and 109.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:37:58,164 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.4s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2876 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2720 mSDsluCounter, 850 SdHoareTripleChecker+Invalid, 14.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 2831 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10655 IncrementalHoareTripleChecker+Invalid, 13486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2831 mSolverCounterUnsat, 66 mSDtfsCounter, 10655 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5822 GetRequests, 5219 SyntacticMatches, 313 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44292 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 14 PerfectInterpolantSequences, 859/1579 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((sn <= 14) && (12 < sn)) && (8 <= i)) || (((sn <= 4) && (3 <= i)) && (2 < sn))) || (((4 < sn) && (4 <= i)) && (sn <= 6))) || (((3 <= i) && (sn < 2)) && (0 <= (sn + 2147483648)))) || (((sn <= 2) && (2 <= sn)) && (2 <= i))) || (((5 <= i) && (sn <= 8)) && (6 < sn))) || (((10 < sn) && (7 <= i)) && (sn <= 12))) || ((i == 1) && (sn == 0))) || (((sn <= 16) && (14 < sn)) && (8 < i))) || (((8 < sn) && (6 <= i)) && (sn <= 10))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.51ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 106.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.36ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.64ms. Allocated memory is still 146.8MB. Free memory was 104.5MB in the beginning and 103.7MB in the end (delta: 787.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.95ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 92.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16845.05ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 91.9MB in the beginning and 114.1MB in the end (delta: -22.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 97.96ms. Allocated memory is still 213.9MB. Free memory was 114.1MB in the beginning and 109.9MB 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 18:37:58,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c818f01-627d-4e46-b215-588d3f6e4222/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