./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:44:03,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:44:03,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:44:03,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:44:03,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:44:03,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:44:03,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:44:03,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:44:03,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:44:03,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:44:03,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:44:03,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:44:03,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:44:03,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:44:03,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:44:03,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:44:03,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:44:03,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:44:03,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:44:03,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:44:03,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:44:03,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:44:03,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:44:03,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:44:03,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:44:03,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:44:03,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:44:03,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:44:03,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:44:03,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:44:03,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:44:03,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:44:03,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:44:03,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:44:03,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:44:03,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:44:03,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:44:03,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:44:03,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:44:03,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:44:03,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:44:03,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:44:03,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:44:03,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:44:03,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:44:03,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:44:03,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:44:03,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:44:03,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:44:03,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:44:03,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:44:03,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:44:03,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:44:03,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:44:03,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:44:03,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:44:03,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:44:03,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:44:03,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:44:03,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:44:03,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:44:03,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:44:03,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:44:03,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:44:03,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:44:03,607 INFO L138 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_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2022-12-15 01:44:03,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:44:03,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:44:03,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:44:03,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:44:03,801 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:44:03,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/nested6.i [2022-12-15 01:44:06,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:44:06,555 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:44:06,556 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/sv-benchmarks/c/loop-invgen/nested6.i [2022-12-15 01:44:06,560 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/data/3b5ef2d69/a299b4d112e34672a85201e4170110cc/FLAGfe61238c3 [2022-12-15 01:44:06,570 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/data/3b5ef2d69/a299b4d112e34672a85201e4170110cc [2022-12-15 01:44:06,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:44:06,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:44:06,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:44:06,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:44:06,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:44:06,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e637de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06, skipping insertion in model container [2022-12-15 01:44:06,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:44:06,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:44:06,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2022-12-15 01:44:06,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:44:06,726 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:44:06,738 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2022-12-15 01:44:06,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:44:06,754 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:44:06,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06 WrapperNode [2022-12-15 01:44:06,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:44:06,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:44:06,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:44:06,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:44:06,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,785 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-12-15 01:44:06,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:44:06,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:44:06,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:44:06,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:44:06,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:44:06,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:44:06,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:44:06,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:44:06,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:06" (1/1) ... [2022-12-15 01:44:06,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:44:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:44:06,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:44:06,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:44:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:44:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:44:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:44:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:44:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 01:44:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 01:44:06,923 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:44:06,924 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:44:07,021 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:44:07,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:44:07,037 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:44:07,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:44:07 BoogieIcfgContainer [2022-12-15 01:44:07,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:44:07,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:44:07,039 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:44:07,046 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:44:07,046 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:44:07" (1/1) ... [2022-12-15 01:44:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:44:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-15 01:44:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-15 01:44:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:44:07,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:07,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2022-12-15 01:44:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-12-15 01:44:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:44:07,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:07,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2022-12-15 01:44:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-12-15 01:44:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:44:07,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2022-12-15 01:44:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2022-12-15 01:44:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:44:07,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:07,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2022-12-15 01:44:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-12-15 01:44:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:44:07,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2022-12-15 01:44:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-12-15 01:44:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:44:08,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2022-12-15 01:44:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2022-12-15 01:44:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:44:08,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:44:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2022-12-15 01:44:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2022-12-15 01:44:08,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:44:08,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:08,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2022-12-15 01:44:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2022-12-15 01:44:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:44:09,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:09,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:44:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2022-12-15 01:44:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-12-15 01:44:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:44:09,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:09,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:44:10,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2022-12-15 01:44:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2022-12-15 01:44:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:44:10,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:44:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2022-12-15 01:44:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2022-12-15 01:44:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:44:10,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:44:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2022-12-15 01:44:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2022-12-15 01:44:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:44:11,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:44:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2022-12-15 01:44:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2022-12-15 01:44:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:44:11,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 01:44:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2022-12-15 01:44:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2022-12-15 01:44:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:44:12,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:44:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2022-12-15 01:44:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2022-12-15 01:44:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:44:12,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 01:44:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2022-12-15 01:44:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2022-12-15 01:44:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:44:13,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:44:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2022-12-15 01:44:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-12-15 01:44:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 01:44:13,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:44:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2022-12-15 01:44:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2022-12-15 01:44:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:44:14,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:14,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 01:44:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2022-12-15 01:44:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2022-12-15 01:44:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:44:14,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-15 01:44:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2022-12-15 01:44:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2022-12-15 01:44:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:44:15,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 01:44:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2022-12-15 01:44:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2022-12-15 01:44:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:44:16,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 01:44:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2022-12-15 01:44:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2022-12-15 01:44:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 01:44:17,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:17,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:44:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2022-12-15 01:44:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2022-12-15 01:44:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-15 01:44:17,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:44:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2022-12-15 01:44:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2022-12-15 01:44:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:44:18,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 01:44:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2022-12-15 01:44:20,759 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2022-12-15 01:44:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:44:20,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 01:44:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2022-12-15 01:44:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2022-12-15 01:44:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:44:22,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 01:44:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2022-12-15 01:44:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2022-12-15 01:44:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 01:44:22,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-15 01:44:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2022-12-15 01:44:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2022-12-15 01:44:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:44:23,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:23,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-15 01:44:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2022-12-15 01:44:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2022-12-15 01:44:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 01:44:24,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:24,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 01:44:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2022-12-15 01:44:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2022-12-15 01:44:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 01:44:25,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 01:44:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2022-12-15 01:44:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2022-12-15 01:44:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 01:44:26,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:26,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 01:44:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2022-12-15 01:44:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2022-12-15 01:44:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-15 01:44:26,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:26,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-15 01:44:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2022-12-15 01:44:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2022-12-15 01:44:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:44:28,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-15 01:44:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2022-12-15 01:44:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2022-12-15 01:44:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:44:31,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-15 01:44:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2022-12-15 01:44:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2022-12-15 01:44:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:44:31,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-15 01:44:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 144 states and 280 transitions. [2022-12-15 01:44:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2022-12-15 01:44:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 01:44:36,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:36,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-15 01:44:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 149 states and 290 transitions. [2022-12-15 01:44:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2022-12-15 01:44:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:44:37,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:37,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-15 01:44:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 157 states and 303 transitions. [2022-12-15 01:44:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2022-12-15 01:44:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 01:44:39,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:39,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-15 01:44:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 163 states and 315 transitions. [2022-12-15 01:44:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2022-12-15 01:44:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:44:41,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-15 01:44:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 315 transitions. [2022-12-15 01:44:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2022-12-15 01:44:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:44:41,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-12-15 01:44:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 166 states and 318 transitions. [2022-12-15 01:44:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 318 transitions. [2022-12-15 01:44:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-15 01:44:41,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-15 01:44:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 326 transitions. [2022-12-15 01:44:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 326 transitions. [2022-12-15 01:44:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 01:44:42,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:42,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-12-15 01:44:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 174 states and 334 transitions. [2022-12-15 01:44:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 334 transitions. [2022-12-15 01:44:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:44:44,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:44,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-12-15 01:44:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 175 states and 334 transitions. [2022-12-15 01:44:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 334 transitions. [2022-12-15 01:44:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-15 01:44:44,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:44,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:44:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 176 states and 336 transitions. [2022-12-15 01:44:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 336 transitions. [2022-12-15 01:44:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:44:45,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-12-15 01:44:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 174 states and 331 transitions. [2022-12-15 01:44:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 331 transitions. [2022-12-15 01:44:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-15 01:44:45,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:44:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 176 states and 333 transitions. [2022-12-15 01:44:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 333 transitions. [2022-12-15 01:44:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-15 01:44:46,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:46,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-12-15 01:44:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 179 states and 340 transitions. [2022-12-15 01:44:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 340 transitions. [2022-12-15 01:44:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:44:47,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-15 01:44:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 182 states and 346 transitions. [2022-12-15 01:44:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 346 transitions. [2022-12-15 01:44:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-15 01:44:49,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-12-15 01:44:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 183 states and 346 transitions. [2022-12-15 01:44:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 346 transitions. [2022-12-15 01:44:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:44:49,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-15 01:44:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 184 states and 346 transitions. [2022-12-15 01:44:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2022-12-15 01:44:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 01:44:50,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:50,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-15 01:44:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 202 states and 383 transitions. [2022-12-15 01:44:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 383 transitions. [2022-12-15 01:44:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 01:44:56,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-15 01:44:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 211 states and 396 transitions. [2022-12-15 01:44:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2022-12-15 01:44:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 01:44:58,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-15 01:44:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 212 states and 397 transitions. [2022-12-15 01:44:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 397 transitions. [2022-12-15 01:44:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-15 01:44:59,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:59,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-12-15 01:45:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 214 states and 407 transitions. [2022-12-15 01:45:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 407 transitions. [2022-12-15 01:45:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-15 01:45:00,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-12-15 01:45:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 220 states and 417 transitions. [2022-12-15 01:45:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 417 transitions. [2022-12-15 01:45:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-15 01:45:01,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:01,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-12-15 01:45:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 224 states and 425 transitions. [2022-12-15 01:45:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 425 transitions. [2022-12-15 01:45:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-15 01:45:03,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:03,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-12-15 01:45:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 235 states and 454 transitions. [2022-12-15 01:45:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 454 transitions. [2022-12-15 01:45:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-15 01:45:07,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:07,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-12-15 01:45:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 238 states and 458 transitions. [2022-12-15 01:45:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 458 transitions. [2022-12-15 01:45:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 01:45:08,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-12-15 01:45:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 241 states and 464 transitions. [2022-12-15 01:45:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 464 transitions. [2022-12-15 01:45:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-15 01:45:09,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:09,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-15 01:45:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 245 states and 471 transitions. [2022-12-15 01:45:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 471 transitions. [2022-12-15 01:45:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 01:45:10,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:10,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-12-15 01:45:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 246 states and 472 transitions. [2022-12-15 01:45:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 472 transitions. [2022-12-15 01:45:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-15 01:45:11,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-15 01:45:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 250 states and 478 transitions. [2022-12-15 01:45:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 478 transitions. [2022-12-15 01:45:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 01:45:13,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-15 01:45:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 253 states and 484 transitions. [2022-12-15 01:45:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 484 transitions. [2022-12-15 01:45:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 01:45:15,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:15,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-12-15 01:45:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 254 states and 485 transitions. [2022-12-15 01:45:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 485 transitions. [2022-12-15 01:45:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 01:45:16,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:16,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-12-15 01:45:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 256 states and 487 transitions. [2022-12-15 01:45:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 487 transitions. [2022-12-15 01:45:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 01:45:16,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-15 01:45:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 257 states and 487 transitions. [2022-12-15 01:45:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 487 transitions. [2022-12-15 01:45:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-15 01:45:18,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:18,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-15 01:45:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 278 states and 531 transitions. [2022-12-15 01:45:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 531 transitions. [2022-12-15 01:45:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-15 01:45:27,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-15 01:45:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 287 states and 544 transitions. [2022-12-15 01:45:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 544 transitions. [2022-12-15 01:45:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-15 01:45:29,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-15 01:45:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 288 states and 545 transitions. [2022-12-15 01:45:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 545 transitions. [2022-12-15 01:45:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-15 01:45:30,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:30,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-12-15 01:45:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 236 states and 403 transitions. [2022-12-15 01:45:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 403 transitions. [2022-12-15 01:45:31,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:45:31,295 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 72 iterations. [2022-12-15 01:45:31,301 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:45:32,234 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:45:32,237 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2022-12-15 01:45:32,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:45:32,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:45:32,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:45:32,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:45:32 ImpRootNode [2022-12-15 01:45:32,242 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:45:32,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:45:32,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:45:32,242 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:45:32,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:44:07" (3/4) ... [2022-12-15 01:45:32,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:45:32,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-15 01:45:32,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-15 01:45:32,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 01:45:32,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:45:32,251 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:45:32,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:45:32,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:45:32,275 INFO L158 Benchmark]: Toolchain (without parser) took 85701.84ms. Allocated memory was 123.7MB in the beginning and 654.3MB in the end (delta: 530.6MB). Free memory was 89.6MB in the beginning and 181.3MB in the end (delta: -91.7MB). Peak memory consumption was 441.0MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,275 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:45:32,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.03ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 79.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.31ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,276 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 914.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:45:32,276 INFO L158 Benchmark]: RCFGBuilder took 233.64ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 65.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,276 INFO L158 Benchmark]: CodeCheck took 85202.78ms. Allocated memory was 123.7MB in the beginning and 654.3MB in the end (delta: 530.6MB). Free memory was 65.1MB in the beginning and 184.5MB in the end (delta: -119.4MB). Peak memory consumption was 411.6MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,277 INFO L158 Benchmark]: Witness Printer took 32.19ms. Allocated memory is still 654.3MB. Free memory was 184.5MB in the beginning and 181.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:45:32,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.2s, OverallIterations: 72, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21118 SdHoareTripleChecker+Valid, 82.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12414 mSDsluCounter, 5547 SdHoareTripleChecker+Invalid, 71.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4011 mSDsCounter, 21208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73959 IncrementalHoareTripleChecker+Invalid, 95167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21208 mSolverCounterUnsat, 1536 mSDtfsCounter, 73959 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41461 GetRequests, 39964 SyntacticMatches, 683 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468289 ImplicationChecksByTransitivity, 76.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 4738 NumberOfCodeBlocks, 4738 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 4667 ConstructedInterpolants, 0 QuantifiedInterpolants, 12479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 71 InterpolantComputations, 9 PerfectInterpolantSequences, 13044/15062 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((i == 0 && !(k + 1 <= i + n)) || (!(i == 0) && !(j <= k))) || (!(i == 0) && n <= j)) || !(k <= j + 1)) || !(2 * i <= k)) || (i == 0 && !(2 * i <= j))) || !(k <= 2 * i)) || (!(2 * i + 1 <= j) && k <= j) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.03ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 79.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.31ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 914.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.64ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 65.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 85202.78ms. Allocated memory was 123.7MB in the beginning and 654.3MB in the end (delta: 530.6MB). Free memory was 65.1MB in the beginning and 184.5MB in the end (delta: -119.4MB). Peak memory consumption was 411.6MB. Max. memory is 16.1GB. * Witness Printer took 32.19ms. Allocated memory is still 654.3MB. Free memory was 184.5MB in the beginning and 181.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:45:32,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b29764-8199-496a-9b88-f683f980fa43/bin/ukojak-rkRKPMF4O4/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