./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array14_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array14_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV --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 fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:21,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:21,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:51:21,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:21,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:21,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:21,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:21,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:21,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:21,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:21,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:21,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:21,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:21,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:21,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:21,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:21,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:21,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:21,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:21,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:21,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:21,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:21,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:21,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:21,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:21,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:21,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:21,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:21,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:21,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:21,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:21,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:21,754 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_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2023-11-11 23:51:22,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:22,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:22,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:22,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:22,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:22,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array14_pattern.c [2023-11-11 23:51:25,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:25,475 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:25,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/sv-benchmarks/c/array-patterns/array14_pattern.c [2023-11-11 23:51:25,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/data/db636c76d/91b93c6a86194cc59abec9c07b4e570c/FLAG7410a1d30 [2023-11-11 23:51:25,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/data/db636c76d/91b93c6a86194cc59abec9c07b4e570c [2023-11-11 23:51:25,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:25,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:25,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:25,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:25,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:25,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a3ba76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25, skipping insertion in model container [2023-11-11 23:51:25,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:25,696 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_aa227561-ba86-4ce1-85c3-2217bf9a68d4/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2023-11-11 23:51:25,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:25,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:25,742 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_aa227561-ba86-4ce1-85c3-2217bf9a68d4/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2023-11-11 23:51:25,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:25,769 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:25,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25 WrapperNode [2023-11-11 23:51:25,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:25,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:25,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:25,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:25,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,814 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-11 23:51:25,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:25,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:25,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:25,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:25,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:25,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:25,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:25,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:25,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:25,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:25,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:25,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227561-ba86-4ce1-85c3-2217bf9a68d4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:51:25,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:51:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:26,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:26,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:26,213 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:26,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:26,283 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:51:26,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:26 BoogieIcfgContainer [2023-11-11 23:51:26,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:26,287 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:26,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:26,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:26,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:26" (1/1) ... [2023-11-11 23:51:26,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-11 23:51:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-11 23:51:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:51:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:26,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:26,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:51:26,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-11 23:51:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-11 23:51:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:51:26,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:26,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:51:26,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:51:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-11 23:51:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:51:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:51:26,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:27,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:51:27,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:51:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-11 23:51:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-11 23:51:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:51:27,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:27,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:27,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:51:27,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:51:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-11 23:51:27,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-11 23:51:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:51:27,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:27,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:51:27,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:51:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-11 23:51:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-11 23:51:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:51:27,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:27,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:27,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:51:27,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:28,101 INFO L351 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 [2023-11-11 23:51:28,902 INFO L351 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 303 treesize of output 277 [2023-11-11 23:51:29,617 INFO L322 Elim1Store]: treesize reduction 644, result has 0.8 percent of original size [2023-11-11 23:51:29,618 INFO L351 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 22 case distinctions, treesize of input 277 treesize of output 726 [2023-11-11 23:51:30,369 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:30,373 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2023-11-11 23:51:30,378 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:51:30,564 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:30,569 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2023-11-11 23:51:30,579 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:51:32,905 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:32,911 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2023-11-11 23:51:36,966 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:36,970 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2023-11-11 23:51:55,578 WARN L293 SmtUtils]: Spent 15.42s on a formula simplification. DAG size of input: 210 DAG size of output: 63 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-11 23:51:55,579 INFO L322 Elim1Store]: treesize reduction 1400, result has 10.9 percent of original size [2023-11-11 23:51:55,580 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 1446 treesize of output 1556 [2023-11-11 23:52:11,249 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-11 23:52:14,162 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:14,164 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2023-11-11 23:52:14,170 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:52:15,584 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:15,585 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2023-11-11 23:52:16,248 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-11 23:52:18,608 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:18,609 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2023-11-11 23:52:18,677 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:18,678 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2023-11-11 23:52:18,741 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:18,745 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 665 [2023-11-11 23:52:19,302 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,304 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2023-11-11 23:52:19,529 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,537 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1232 [2023-11-11 23:52:26,854 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:26,855 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 506 [2023-11-11 23:52:27,097 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:27,098 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2023-11-11 23:52:27,157 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:27,158 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101