./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2 --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 8262fd4bdb4bed8fef0fbefd142e15775d81a64587fab0af0aa2004f91ae895c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:18,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:18,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:50:18,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:18,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:18,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:18,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:18,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:18,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:18,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:18,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:18,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:18,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:18,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:18,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:18,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:18,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:18,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:18,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:18,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:18,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:18,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:18,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:18,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:18,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:18,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:18,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:18,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:18,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:18,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:18,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:18,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:18,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:18,647 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_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8262fd4bdb4bed8fef0fbefd142e15775d81a64587fab0af0aa2004f91ae895c [2023-11-21 18:50:19,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:19,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:19,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:19,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:19,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:19,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c [2023-11-21 18:50:22,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:22,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:22,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c [2023-11-21 18:50:22,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/data/08237ef4e/b469afa98582474e8d925c7507835bdc/FLAG7092e12dd [2023-11-21 18:50:22,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/data/08237ef4e/b469afa98582474e8d925c7507835bdc [2023-11-21 18:50:22,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:22,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:22,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:22,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:22,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:22,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:22" (1/1) ... [2023-11-21 18:50:22,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39682438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:22, skipping insertion in model container [2023-11-21 18:50:22,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:22" (1/1) ... [2023-11-21 18:50:22,847 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:23,027 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_86a99d77-c1d6-4b22-b990-0483ae9a52df/sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c[423,436] [2023-11-21 18:50:23,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:23,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:23,067 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_86a99d77-c1d6-4b22-b990-0483ae9a52df/sv-benchmarks/c/array-cav19/array_min_and_copy_shift_sum_add.c[423,436] [2023-11-21 18:50:23,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:23,095 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:23,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23 WrapperNode [2023-11-21 18:50:23,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:23,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:23,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:23,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:23,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,140 INFO L138 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-11-21 18:50:23,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:23,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:23,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:23,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:23,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:23,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:23,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:23,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:23,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:23,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:23,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a99d77-c1d6-4b22-b990-0483ae9a52df/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:23,401 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:23,404 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:23,750 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:23,868 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:23,868 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:50:23,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:23 BoogieIcfgContainer [2023-11-21 18:50:23,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:23,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:23,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:23,884 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:23,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:23" (1/1) ... [2023-11-21 18:50:23,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-21 18:50:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-21 18:50:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:23,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 30 transitions. [2023-11-21 18:50:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-21 18:50:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:24,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 39 transitions. [2023-11-21 18:50:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-21 18:50:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:25,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:50:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 34 transitions. [2023-11-21 18:50:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-21 18:50:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:25,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:50:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 41 transitions. [2023-11-21 18:50:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-21 18:50:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:26,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 33 states and 60 transitions. [2023-11-21 18:50:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-11-21 18:50:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:28,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:50:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 38 states and 76 transitions. [2023-11-21 18:50:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2023-11-21 18:50:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:30,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:50:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 73 transitions. [2023-11-21 18:50:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-21 18:50:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:30,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:50:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 44 states and 88 transitions. [2023-11-21 18:50:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2023-11-21 18:50:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:50:32,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:50:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 45 states and 89 transitions. [2023-11-21 18:50:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2023-11-21 18:50:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:50:32,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:32,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:50:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 48 states and 94 transitions. [2023-11-21 18:50:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2023-11-21 18:50:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:34,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 60 states and 131 transitions. [2023-11-21 18:50:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-21 18:50:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:41,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:50:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 138 transitions. [2023-11-21 18:50:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 138 transitions. [2023-11-21 18:50:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:43,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:50:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 66 states and 147 transitions. [2023-11-21 18:50:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 147 transitions. [2023-11-21 18:50:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:50:45,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:50:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 71 states and 166 transitions. [2023-11-21 18:50:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 166 transitions. [2023-11-21 18:50:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:50:48,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:50:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 74 states and 173 transitions. [2023-11-21 18:50:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 173 transitions. [2023-11-21 18:50:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:50,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:50:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 79 states and 179 transitions. [2023-11-21 18:50:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 179 transitions. [2023-11-21 18:50:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:54,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:50:57,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 83 states and 184 transitions. [2023-11-21 18:50:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2023-11-21 18:50:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:57,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:50:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 83 states and 182 transitions. [2023-11-21 18:50:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2023-11-21 18:50:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:58,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-21 18:51:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 87 states and 191 transitions. [2023-11-21 18:51:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 191 transitions. [2023-11-21 18:51:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:00,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.