./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/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_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:45,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:45,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:00:45,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:45,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:45,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:45,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:45,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:45,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:45,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:45,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:45,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:45,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:45,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:45,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:45,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:45,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:45,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:45,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:45,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:45,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:45,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:45,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:45,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:45,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:45,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:45,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:45,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:45,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:45,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:45,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:45,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:45,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:45,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:45,920 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_7cdf77d7-351a-45a9-9a14-d91f909710fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2023-11-12 00:00:46,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:46,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:46,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:46,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:46,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:46,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-12 00:00:49,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:49,778 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:49,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-12 00:00:49,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/data/9cde0ab46/b90018ac132344868d0065d4566c4d05/FLAG391292dfd [2023-11-12 00:00:49,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/data/9cde0ab46/b90018ac132344868d0065d4566c4d05 [2023-11-12 00:00:49,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:49,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:49,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:49,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:49,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:49,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3339c1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49, skipping insertion in model container [2023-11-12 00:00:49,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:50,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:50,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,585 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:50,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50 WrapperNode [2023-11-12 00:00:50,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:50,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:50,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:50,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,676 INFO L138 Inliner]: procedures = 145, calls = 301, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 462 [2023-11-12 00:00:50,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:50,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:50,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:50,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:50,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:50,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:50,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:50,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:50,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdf77d7-351a-45a9-9a14-d91f909710fd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:00:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:00:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:00:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:00:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:00:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:00:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:00:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:00:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:00:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:00:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:00:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:51,113 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:51,115 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:02,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:02,262 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:02,262 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:01:02,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:02 BoogieIcfgContainer [2023-11-12 00:01:02,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:02,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:02,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:02,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:02,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:02" (1/1) ... [2023-11-12 00:01:02,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2023-11-12 00:01:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2023-11-12 00:01:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:01:02,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:12,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2023-11-12 00:01:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2023-11-12 00:01:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:01:13,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-12 00:01:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-12 00:01:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:01:13,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:23,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 113 states and 157 transitions. [2023-11-12 00:01:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2023-11-12 00:01:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:01:23,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2023-11-12 00:01:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2023-11-12 00:01:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:01:24,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 116 states and 161 transitions. [2023-11-12 00:01:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2023-11-12 00:01:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:01:24,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:24,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:01:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2023-11-12 00:01:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2023-11-12 00:01:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:01:25,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:25,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2023-11-12 00:01:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2023-11-12 00:01:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:01:25,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:25,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-11-12 00:01:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-11-12 00:01:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:01:26,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:26,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 121 states and 165 transitions. [2023-11-12 00:01:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2023-11-12 00:01:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:27,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:38,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 121 states and 166 transitions. [2023-11-12 00:01:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2023-11-12 00:01:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:01:38,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 124 states and 168 transitions. [2023-11-12 00:01:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 168 transitions. [2023-11-12 00:01:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:01:39,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:39,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:01:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 127 states and 170 transitions. [2023-11-12 00:01:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2023-11-12 00:01:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:01:40,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:40,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:01:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2023-11-12 00:01:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-12 00:01:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:01:43,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:43,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-12 00:01:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 138 states and 181 transitions. [2023-11-12 00:01:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 181 transitions. [2023-11-12 00:01:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:01:47,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:01:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 137 states and 180 transitions. [2023-11-12 00:01:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2023-11-12 00:01:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 00:01:47,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:01:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 136 states and 179 transitions. [2023-11-12 00:01:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2023-11-12 00:01:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:01:48,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 73 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.