./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9 --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 de6052d9944b0ce145148179524f90cfdb820a3940df4791211047874b65b687 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:14:44,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:14:44,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:14:44,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:14:44,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:14:44,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:14:44,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:14:44,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:14:44,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:14:44,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:14:44,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:14:44,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:14:44,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:14:44,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:14:44,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:14:44,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:14:44,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:14:44,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:14:44,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:14:44,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:14:44,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:14:44,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:14:44,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:14:44,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:14:44,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:14:44,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:14:44,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:14:44,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:14:44,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:14:44,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:14:44,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:14:44,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:14:44,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:14:44,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:14:44,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:14:44,176 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_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6052d9944b0ce145148179524f90cfdb820a3940df4791211047874b65b687 [2023-12-03 01:14:44,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:14:44,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:14:44,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:14:44,419 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:14:44,419 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:14:44,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c [2023-12-03 01:14:47,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:14:47,372 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:14:47,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound2.c [2023-12-03 01:14:47,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/data/24961a850/4850e58fe2784e18ae1a67a06e70a779/FLAG5faef8c22 [2023-12-03 01:14:47,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/data/24961a850/4850e58fe2784e18ae1a67a06e70a779 [2023-12-03 01:14:47,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:14:47,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:14:47,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:14:47,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:14:47,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:14:47,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57de04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47, skipping insertion in model container [2023-12-03 01:14:47,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:14:47,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:14:47,597 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:14:47,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:14:47,627 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:14:47,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47 WrapperNode [2023-12-03 01:14:47,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:14:47,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:14:47,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:14:47,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:14:47,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,662 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-03 01:14:47,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:14:47,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:14:47,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:14:47,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:14:47,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:14:47,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:14:47,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:14:47,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:14:47,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:14:47,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:14:47,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:14:47,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:14:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:14:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:14:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:14:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:14:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:14:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:14:47,804 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:14:47,806 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:14:47,940 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:14:47,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:14:47,968 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:14:47,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:47 BoogieIcfgContainer [2023-12-03 01:14:47,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:14:47,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:14:47,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:14:47,978 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:14:47,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:47" (1/1) ... [2023-12-03 01:14:47,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:14:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-12-03 01:14:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-12-03 01:14:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:14:48,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-12-03 01:14:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-12-03 01:14:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:14:48,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 01:14:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 01:14:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:14:48,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-12-03 01:14:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-12-03 01:14:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:14:48,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 01:14:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 01:14:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:14:48,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:48,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-03 01:14:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-03 01:14:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:14:48,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:48,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-12-03 01:14:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-12-03 01:14:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:14:48,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:14:48,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-12-03 01:14:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-12-03 01:14:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:14:48,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:14:48,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-12-03 01:14:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-12-03 01:14:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:14:49,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:49,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:49,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:14:49,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-12-03 01:14:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-12-03 01:14:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:14:49,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:49,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:14:49,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 79 transitions. [2023-12-03 01:14:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-12-03 01:14:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:14:49,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:49,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:49,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:49,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 101 transitions. [2023-12-03 01:14:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-12-03 01:14:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:14:50,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:50,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:50,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:50,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 112 transitions. [2023-12-03 01:14:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-12-03 01:14:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:14:51,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:51,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 115 transitions. [2023-12-03 01:14:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-12-03 01:14:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:14:51,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:51,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:14:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 128 transitions. [2023-12-03 01:14:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2023-12-03 01:14:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:14:52,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:52,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:14:52,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 157 transitions. [2023-12-03 01:14:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2023-12-03 01:14:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:14:53,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:53,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:53,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:14:53,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 110 states and 184 transitions. [2023-12-03 01:14:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2023-12-03 01:14:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:14:54,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:54,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:14:54,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 184 transitions. [2023-12-03 01:14:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2023-12-03 01:14:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:14:54,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:54,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:54,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:14:54,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:14:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 40 states and 48 transitions. [2023-12-03 01:14:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-12-03 01:14:55,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:14:55,319 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-12-03 01:14:55,325 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 01:14:55,467 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:14:55,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:14:55,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:14:55 ImpRootNode [2023-12-03 01:14:55,470 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:14:55,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:14:55,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:14:55,471 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:14:55,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:47" (3/4) ... [2023-12-03 01:14:55,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:14:55,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 01:14:55,478 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 01:14:55,479 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 01:14:55,479 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:14:55,479 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:14:55,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:14:55,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:14:55,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:14:55,553 INFO L158 Benchmark]: Toolchain (without parser) took 8159.08ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 132.8MB in the beginning and 160.9MB in the end (delta: -28.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,553 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:14:55,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.97ms. Allocated memory is still 169.9MB. Free memory was 132.4MB in the beginning and 122.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.09ms. Allocated memory is still 169.9MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,555 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 119.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,555 INFO L158 Benchmark]: RCFGBuilder took 283.57ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 108.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,556 INFO L158 Benchmark]: CodeCheck took 7500.34ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 108.2MB in the beginning and 165.0MB in the end (delta: -56.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,556 INFO L158 Benchmark]: Witness Printer took 81.45ms. Allocated memory is still 226.5MB. Free memory was 165.0MB in the beginning and 160.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:14:55,559 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1478 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1009 mSDsluCounter, 1220 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 768 mSDsCounter, 698 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3177 IncrementalHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 698 mSolverCounterUnsat, 452 mSDtfsCounter, 3177 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2721 GetRequests, 2442 SyntacticMatches, 99 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18029 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 19 NumberOfNonLiveVariables, 783 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 50/107 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.97ms. Allocated memory is still 169.9MB. Free memory was 132.4MB in the beginning and 122.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.09ms. Allocated memory is still 169.9MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 119.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.57ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 108.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7500.34ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 108.2MB in the beginning and 165.0MB in the end (delta: -56.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 81.45ms. Allocated memory is still 226.5MB. Free memory was 165.0MB in the beginning and 160.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:14:55,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b634977-ea41-4376-ab4c-2e06e5879e18/bin/ukojak-verify-Qdu7aM0XO9/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