./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC --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 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:37,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:37,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:37,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:37,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:37,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:37,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:37,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:37,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:37,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:37,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:37,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:37,767 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:37,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:37,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:37,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:37,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:37,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:37,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:37,777 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:37,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:37,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:37,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:37,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:37,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:37,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:37,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:37,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:37,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:37,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:37,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:37,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:37,806 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:37,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:37,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:37,807 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_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff [2023-11-23 20:17:38,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:38,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:38,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:38,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:38,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:38,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2023-11-23 20:17:41,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:41,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:41,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2023-11-23 20:17:41,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/data/8df4bf5ec/3b9efde602cf440bb7aa5da1aead719f/FLAG5d617f008 [2023-11-23 20:17:41,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/data/8df4bf5ec/3b9efde602cf440bb7aa5da1aead719f [2023-11-23 20:17:41,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:41,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:41,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:41,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:41,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:41,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e1787d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41, skipping insertion in model container [2023-11-23 20:17:41,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:41,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:41,667 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:41,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:41,698 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:41,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41 WrapperNode [2023-11-23 20:17:41,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:41,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:41,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:41,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:41,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,732 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-23 20:17:41,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:41,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:41,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:41,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:41,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:41,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:41,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:41,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:41,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:41,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:41,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:41,967 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:41,969 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:42,108 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:42,138 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:42,139 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:17:42,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:42 BoogieIcfgContainer [2023-11-23 20:17:42,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:42,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:42,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:42,152 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:42,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 20:17:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 20:17:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:17:42,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:17:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:17:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:17:42,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-23 20:17:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:17:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:17:42,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:42,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:42,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:17:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:17:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:17:42,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:43,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:43,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-23 20:17:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-23 20:17:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:17:43,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:43,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:43,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 37 transitions. [2023-11-23 20:17:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:17:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:44,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:44,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:44,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 49 transitions. [2023-11-23 20:17:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:17:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:17:44,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:44,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:17:44,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 61 transitions. [2023-11-23 20:17:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-23 20:17:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:17:44,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:44,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:17:44,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 73 transitions. [2023-11-23 20:17:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-23 20:17:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:17:45,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:45,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:17:45,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 85 transitions. [2023-11-23 20:17:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-23 20:17:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:17:45,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:45,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:17:45,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 98 transitions. [2023-11-23 20:17:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-23 20:17:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:17:47,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:47,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:17:47,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 110 transitions. [2023-11-23 20:17:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-23 20:17:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:17:48,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:48,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:17:48,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 85 states and 122 transitions. [2023-11-23 20:17:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-11-23 20:17:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:17:49,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:49,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:50,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:17:50,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:51,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 135 transitions. [2023-11-23 20:17:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-23 20:17:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:17:51,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:51,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:17:51,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 30 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 147 transitions. [2023-11-23 20:17:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-23 20:17:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:17:51,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:51,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:51,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:17:51,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 159 transitions. [2023-11-23 20:17:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-11-23 20:17:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:17:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:17:53,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 117 states and 171 transitions. [2023-11-23 20:17:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-11-23 20:17:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 20:17:54,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:54,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:17:54,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 125 states and 183 transitions. [2023-11-23 20:17:56,158 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2023-11-23 20:17:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:17:56,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 20:17:56,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 42 proven. 728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 196 transitions. [2023-11-23 20:17:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2023-11-23 20:17:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 20:17:58,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:58,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:58,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 20:17:58,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 141 states and 208 transitions. [2023-11-23 20:18:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2023-11-23 20:18:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 20:18:00,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:00,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:00,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 20:18:00,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 149 states and 220 transitions. [2023-11-23 20:18:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 220 transitions. [2023-11-23 20:18:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 20:18:01,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:01,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:01,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 20:18:01,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 51 proven. 1088 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 157 states and 233 transitions. [2023-11-23 20:18:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2023-11-23 20:18:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:18:03,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:03,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:03,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 20:18:03,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 165 states and 245 transitions. [2023-11-23 20:18:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2023-11-23 20:18:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-23 20:18:05,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:05,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 20:18:05,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 257 transitions. [2023-11-23 20:18:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-23 20:18:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 20:18:06,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:06,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-23 20:18:06,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 181 states and 269 transitions. [2023-11-23 20:18:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 269 transitions. [2023-11-23 20:18:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:18:07,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:07,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:07,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-23 20:18:07,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1723 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 175 states and 260 transitions. [2023-11-23 20:18:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 260 transitions. [2023-11-23 20:18:12,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:18:12,123 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-23 20:18:12,135 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-23 20:18:12,396 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:18:12,400 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:18:12,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:12 ImpRootNode [2023-11-23 20:18:12,401 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:12,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:12,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:12,401 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:12,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:42" (3/4) ... [2023-11-23 20:18:12,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:18:12,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:18:12,410 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-23 20:18:12,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:18:12,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:18:12,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:18:12,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:12,507 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:18:12,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:12,508 INFO L158 Benchmark]: Toolchain (without parser) took 31074.65ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 150.0MB in the beginning and 168.5MB in the end (delta: -18.5MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,509 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 102.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:12,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.80ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 144.2MB in the end (delta: 5.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.09ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 142.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:12,510 INFO L158 Benchmark]: Boogie Preprocessor took 18.94ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 142.1MB in the end (delta: 756.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,511 INFO L158 Benchmark]: RCFGBuilder took 387.59ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 144.1MB in the end (delta: -2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,512 INFO L158 Benchmark]: CodeCheck took 30259.24ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 144.1MB in the beginning and 172.7MB in the end (delta: -28.6MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,512 INFO L158 Benchmark]: Witness Printer took 106.30ms. Allocated memory is still 314.6MB. Free memory was 172.7MB in the beginning and 168.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:12,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 30.0s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2626 SdHoareTripleChecker+Valid, 14.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2421 mSDsluCounter, 4654 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2820 mSDsCounter, 3116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7799 IncrementalHoareTripleChecker+Invalid, 10915 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3116 mSolverCounterUnsat, 1834 mSDtfsCounter, 7799 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16673 GetRequests, 14600 SyntacticMatches, 1767 SemanticMatches, 306 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58707 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1944 ConstructedInterpolants, 0 QuantifiedInterpolants, 5794 SizeOfPredicates, 470 NumberOfNonLiveVariables, 5905 ConjunctsInSsa, 525 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 2097/13027 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 102.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.80ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 144.2MB in the end (delta: 5.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.09ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 142.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.94ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 142.1MB in the end (delta: 756.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.59ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 144.1MB in the end (delta: -2.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 30259.24ms. Allocated memory was 180.4MB in the beginning and 314.6MB in the end (delta: 134.2MB). Free memory was 144.1MB in the beginning and 172.7MB in the end (delta: -28.6MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. * Witness Printer took 106.30ms. Allocated memory is still 314.6MB. Free memory was 172.7MB in the beginning and 168.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:18:12,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb14339-f9c3-4915-b67f-fb4b73187eb8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE