./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:56,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:56,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:54:56,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:56,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:56,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:56,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:56,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:56,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:56,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:56,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:56,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:56,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:56,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:56,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:56,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:56,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:56,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:56,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:56,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:56,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:56,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:56,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:56,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:56,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:56,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:56,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:56,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:56,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:56,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:56,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:56,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:56,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:56,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2023-11-19 02:54:57,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:57,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:57,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:57,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:57,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:57,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2023-11-19 02:55:00,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:00,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:00,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/sv-benchmarks/c/array-patterns/array20_pattern.c [2023-11-19 02:55:00,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/data/456ed04e8/7e658ef1a98f44efad618082446cdc8f/FLAGfb376b71b [2023-11-19 02:55:00,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/data/456ed04e8/7e658ef1a98f44efad618082446cdc8f [2023-11-19 02:55:00,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:00,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:00,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:00,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:00,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:00,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4114e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00, skipping insertion in model container [2023-11-19 02:55:00,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:00,846 WARN L240 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_7a463d3a-7de9-4306-963d-5beb49fad044/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-11-19 02:55:00,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:00,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:00,896 WARN L240 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_7a463d3a-7de9-4306-963d-5beb49fad044/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-11-19 02:55:00,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:00,926 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:00,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00 WrapperNode [2023-11-19 02:55:00,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:00,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:00,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:00,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:00,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,971 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-19 02:55:00,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:00,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:00,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:00,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:00,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:00,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:01,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:01,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:01,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:01,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:01,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:01,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:01,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:00" (1/1) ... [2023-11-19 02:55:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:01,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:01,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:01,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a463d3a-7de9-4306-963d-5beb49fad044/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:01,190 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:01,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:01,481 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:01,597 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:01,597 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:55:01,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:01 BoogieIcfgContainer [2023-11-19 02:55:01,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:01,607 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:01,607 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:01,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:01,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:01" (1/1) ... [2023-11-19 02:55:01,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 02:55:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 02:55:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:55:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:01,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:01,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:01,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 02:55:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 02:55:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:02,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:02,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 02:55:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 02:55:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:55:02,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-19 02:55:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-19 02:55:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:55:03,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-19 02:55:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-19 02:55:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:55:03,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:55:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-19 02:55:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-19 02:55:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:55:04,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:55:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2023-11-19 02:55:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2023-11-19 02:55:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:55:04,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-19 02:55:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-19 02:55:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:05,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:05,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:05,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:05,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-19 02:55:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 02:55:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:06,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:06,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:55:06,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:06,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:55:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2023-11-19 02:55:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2023-11-19 02:55:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:09,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:09,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:55:09,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:09,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:55:11,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 337 [2023-11-19 02:55:11,392 INFO L349 Elim1Store]: treesize reduction 365, result has 10.1 percent of original size [2023-11-19 02:55:11,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 355 treesize of output 746 [2023-11-19 02:55:12,558 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:12,561 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2023-11-19 02:55:12,565 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:55:12,884 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:12,886 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2023-11-19 02:55:12,890 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:55:13,692 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:13,698 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2023-11-19 02:55:13,904 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:13,909 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 546 [2023-11-19 02:55:14,621 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:55:14,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:14,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:14,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:14,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 123 [2023-11-19 02:55:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:15,409 INFO L349 Elim1Store]: treesize reduction 29, result has 29.3 percent of original size [2023-11-19 02:55:15,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 561 treesize of output 425 [2023-11-19 02:55:15,681 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:15,688 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2023-11-19 02:55:15,749 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:15,755 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 552 [2023-11-19 02:55:16,256 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:16,259 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 343 [2023-11-19 02:55:39,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 634 treesize of output 576 [2023-11-19 02:55:39,963 INFO L349 Elim1Store]: treesize reduction 22, result has 78.6 percent of original size [2023-11-19 02:55:39,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 30653 treesize of output 27863 [2023-11-19 02:55:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.